Home / 126,516.87-174,593.45-72,800.82

Finding the Fourth Proportional to 126,516.87, 174,593.45 and 72,800.82

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Solution

The fourth proportional to 126,516.87, 174,593.45 and 72,800.82 is: 100,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.87 : 174,593.45 = 72,800.82 : x
  2. Step 2: Convert to fraction form
    126,516.87/174,593.45 = 72,800.82/x
  3. Step 3: Cross multiply
    126,516.87x = 174,593.45 × 72,800.82
  4. Step 4: Simplify right side
    126,516.87x = 12,710,545,962.62
  5. Step 5: Solve for x
    x = 12,710,545,962.62/126,516.87
  6. Step 6: Final answer
    x = 100,465.23

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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.