Home / 112,372.56-155,073.66-62,071.56

Finding the Fourth Proportional to 112,372.56, 155,073.66 and 62,071.56

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Solution

The fourth proportional to 112,372.56, 155,073.66 and 62,071.56 is: 85,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,372.56 : 155,073.66 = 62,071.56 : x
  2. Step 2: Convert to fraction form
    112,372.56/155,073.66 = 62,071.56/x
  3. Step 3: Cross multiply
    112,372.56x = 155,073.66 × 62,071.56
  4. Step 4: Simplify right side
    112,372.56x = 9,625,663,991.11
  5. Step 5: Solve for x
    x = 9,625,663,991.11/112,372.56
  6. Step 6: Final answer
    x = 85,658.49

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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.