Home / 265,779.20-398,660.16-107,960.96

Finding the Fourth Proportional to 265,779.20, 398,660.16 and 107,960.96

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Solution

The fourth proportional to 265,779.20, 398,660.16 and 107,960.96 is: 161,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,779.20 : 398,660.16 = 107,960.96 : x
  2. Step 2: Convert to fraction form
    265,779.20/398,660.16 = 107,960.96/x
  3. Step 3: Cross multiply
    265,779.20x = 398,660.16 × 107,960.96
  4. Step 4: Simplify right side
    265,779.20x = 43,039,733,587.35
  5. Step 5: Solve for x
    x = 43,039,733,587.35/265,779.20
  6. Step 6: Final answer
    x = 161,937.93

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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.