Home / 112,686.96-155,500.92-62,382

Finding the Fourth Proportional to 112,686.96, 155,500.92 and 62,382

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Solution

The fourth proportional to 112,686.96, 155,500.92 and 62,382 is: 86,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,686.96 : 155,500.92 = 62,382 : x
  2. Step 2: Convert to fraction form
    112,686.96/155,500.92 = 62,382/x
  3. Step 3: Cross multiply
    112,686.96x = 155,500.92 × 62,382
  4. Step 4: Simplify right side
    112,686.96x = 9,700,458,391.44
  5. Step 5: Solve for x
    x = 9,700,458,391.44/112,686.96
  6. Step 6: Final answer
    x = 86,083.24

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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.