Home / 126,711.68-174,859.52-70,123.20

Finding the Fourth Proportional to 126,711.68, 174,859.52 and 70,123.20

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Solution

The fourth proportional to 126,711.68, 174,859.52 and 70,123.20 is: 96,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.68 : 174,859.52 = 70,123.20 : x
  2. Step 2: Convert to fraction form
    126,711.68/174,859.52 = 70,123.20/x
  3. Step 3: Cross multiply
    126,711.68x = 174,859.52 × 70,123.20
  4. Step 4: Simplify right side
    126,711.68x = 12,261,709,092.86
  5. Step 5: Solve for x
    x = 12,261,709,092.86/126,711.68
  6. Step 6: Final answer
    x = 96,768.58

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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.