Home / 112,500.17-155,280.85-64,127.56

Finding the Fourth Proportional to 112,500.17, 155,280.85 and 64,127.56

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Solution

The fourth proportional to 112,500.17, 155,280.85 and 64,127.56 is: 88,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,500.17 : 155,280.85 = 64,127.56 : x
  2. Step 2: Convert to fraction form
    112,500.17/155,280.85 = 64,127.56/x
  3. Step 3: Cross multiply
    112,500.17x = 155,280.85 × 64,127.56
  4. Step 4: Simplify right side
    112,500.17x = 9,957,782,002.89
  5. Step 5: Solve for x
    x = 9,957,782,002.89/112,500.17
  6. Step 6: Final answer
    x = 88,513.49

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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.