Home / 126,929.28-175,160.64-73,214.40

Finding the Fourth Proportional to 126,929.28, 175,160.64 and 73,214.40

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Solution

The fourth proportional to 126,929.28, 175,160.64 and 73,214.40 is: 101,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.28 : 175,160.64 = 73,214.40 : x
  2. Step 2: Convert to fraction form
    126,929.28/175,160.64 = 73,214.40/x
  3. Step 3: Cross multiply
    126,929.28x = 175,160.64 × 73,214.40
  4. Step 4: Simplify right side
    126,929.28x = 12,824,281,161.22
  5. Step 5: Solve for x
    x = 12,824,281,161.22/126,929.28
  6. Step 6: Final answer
    x = 101,034.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.