Home / 112,703.12-155,535.18-62,402.12

Finding the Fourth Proportional to 112,703.12, 155,535.18 and 62,402.12

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Solution

The fourth proportional to 112,703.12, 155,535.18 and 62,402.12 is: 86,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,703.12 : 155,535.18 = 62,402.12 : x
  2. Step 2: Convert to fraction form
    112,703.12/155,535.18 = 62,402.12/x
  3. Step 3: Cross multiply
    112,703.12x = 155,535.18 × 62,402.12
  4. Step 4: Simplify right side
    112,703.12x = 9,705,724,966.58
  5. Step 5: Solve for x
    x = 9,705,724,966.58/112,703.12
  6. Step 6: Final answer
    x = 86,117.62

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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.