Home / 265,790.16-398,685.24-107,981.64

Finding the Fourth Proportional to 265,790.16, 398,685.24 and 107,981.64

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Solution

The fourth proportional to 265,790.16, 398,685.24 and 107,981.64 is: 161,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,790.16 : 398,685.24 = 107,981.64 : x
  2. Step 2: Convert to fraction form
    265,790.16/398,685.24 = 107,981.64/x
  3. Step 3: Cross multiply
    265,790.16x = 398,685.24 × 107,981.64
  4. Step 4: Simplify right side
    265,790.16x = 43,050,686,058.99
  5. Step 5: Solve for x
    x = 43,050,686,058.99/265,790.16
  6. Step 6: Final answer
    x = 161,972.46

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.