Home / 265,738.02-398,772.35-107,966.48

Finding the Fourth Proportional to 265,738.02, 398,772.35 and 107,966.48

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Solution

The fourth proportional to 265,738.02, 398,772.35 and 107,966.48 is: 162,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,738.02 : 398,772.35 = 107,966.48 : x
  2. Step 2: Convert to fraction form
    265,738.02/398,772.35 = 107,966.48/x
  3. Step 3: Cross multiply
    265,738.02x = 398,772.35 × 107,966.48
  4. Step 4: Simplify right side
    265,738.02x = 43,054,044,417.13
  5. Step 5: Solve for x
    x = 43,054,044,417.13/265,738.02
  6. Step 6: Final answer
    x = 162,016.88

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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.