Home / 154,755.11-232,117.08-42,446.61

Finding the Fourth Proportional to 154,755.11, 232,117.08 and 42,446.61

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Solution

The fourth proportional to 154,755.11, 232,117.08 and 42,446.61 is: 63,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,755.11 : 232,117.08 = 42,446.61 : x
  2. Step 2: Convert to fraction form
    154,755.11/232,117.08 = 42,446.61/x
  3. Step 3: Cross multiply
    154,755.11x = 232,117.08 × 42,446.61
  4. Step 4: Simplify right side
    154,755.11x = 9,852,583,169.10
  5. Step 5: Solve for x
    x = 9,852,583,169.10/154,755.11
  6. Step 6: Final answer
    x = 63,665.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.