Home / 112,732.85-155,496.48-72,497.52

Finding the Fourth Proportional to 112,732.85, 155,496.48 and 72,497.52

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Solution

The fourth proportional to 112,732.85, 155,496.48 and 72,497.52 is: 99,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,732.85 : 155,496.48 = 72,497.52 : x
  2. Step 2: Convert to fraction form
    112,732.85/155,496.48 = 72,497.52/x
  3. Step 3: Cross multiply
    112,732.85x = 155,496.48 × 72,497.52
  4. Step 4: Simplify right side
    112,732.85x = 11,273,109,168.73
  5. Step 5: Solve for x
    x = 11,273,109,168.73/112,732.85
  6. Step 6: Final answer
    x = 99,998.44

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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.