Home / 112,956.04-155,879.94-62,655.04

Finding the Fourth Proportional to 112,956.04, 155,879.94 and 62,655.04

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Solution

The fourth proportional to 112,956.04, 155,879.94 and 62,655.04 is: 86,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,956.04 : 155,879.94 = 62,655.04 : x
  2. Step 2: Convert to fraction form
    112,956.04/155,879.94 = 62,655.04/x
  3. Step 3: Cross multiply
    112,956.04x = 155,879.94 × 62,655.04
  4. Step 4: Simplify right side
    112,956.04x = 9,766,663,875.90
  5. Step 5: Solve for x
    x = 9,766,663,875.90/112,956.04
  6. Step 6: Final answer
    x = 86,464.29

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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.