Home / 127,397.25-175,819.14-70,819.56

Finding the Fourth Proportional to 127,397.25, 175,819.14 and 70,819.56

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Solution

The fourth proportional to 127,397.25, 175,819.14 and 70,819.56 is: 97,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,397.25 : 175,819.14 = 70,819.56 : x
  2. Step 2: Convert to fraction form
    127,397.25/175,819.14 = 70,819.56/x
  3. Step 3: Cross multiply
    127,397.25x = 175,819.14 × 70,819.56
  4. Step 4: Simplify right side
    127,397.25x = 12,451,434,134.38
  5. Step 5: Solve for x
    x = 12,451,434,134.38/127,397.25
  6. Step 6: Final answer
    x = 97,737.07

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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.