Home / 165,356.28-247,948.02-86,277.24

Finding the Fourth Proportional to 165,356.28, 247,948.02 and 86,277.24

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Solution

The fourth proportional to 165,356.28, 247,948.02 and 86,277.24 is: 129,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356.28 : 247,948.02 = 86,277.24 : x
  2. Step 2: Convert to fraction form
    165,356.28/247,948.02 = 86,277.24/x
  3. Step 3: Cross multiply
    165,356.28x = 247,948.02 × 86,277.24
  4. Step 4: Simplify right side
    165,356.28x = 21,392,270,829.06
  5. Step 5: Solve for x
    x = 21,392,270,829.06/165,356.28
  6. Step 6: Final answer
    x = 129,370.78

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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.