Home / 127,070.28-175,356.99-70,481.61

Finding the Fourth Proportional to 127,070.28, 175,356.99 and 70,481.61

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Solution

The fourth proportional to 127,070.28, 175,356.99 and 70,481.61 is: 97,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070.28 : 175,356.99 = 70,481.61 : x
  2. Step 2: Convert to fraction form
    127,070.28/175,356.99 = 70,481.61/x
  3. Step 3: Cross multiply
    127,070.28x = 175,356.99 × 70,481.61
  4. Step 4: Simplify right side
    127,070.28x = 12,359,442,979.95
  5. Step 5: Solve for x
    x = 12,359,442,979.95/127,070.28
  6. Step 6: Final answer
    x = 97,264.62

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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.