Home / 112,832.72-155,709.28-62,531.76

Finding the Fourth Proportional to 112,832.72, 155,709.28 and 62,531.76

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Solution

The fourth proportional to 112,832.72, 155,709.28 and 62,531.76 is: 86,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,832.72 : 155,709.28 = 62,531.76 : x
  2. Step 2: Convert to fraction form
    112,832.72/155,709.28 = 62,531.76/x
  3. Step 3: Cross multiply
    112,832.72x = 155,709.28 × 62,531.76
  4. Step 4: Simplify right side
    112,832.72x = 9,736,775,326.73
  5. Step 5: Solve for x
    x = 9,736,775,326.73/112,832.72
  6. Step 6: Final answer
    x = 86,293.90

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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.