Home / 111,042.40-153,234.45-63,286.52

Finding the Fourth Proportional to 111,042.40, 153,234.45 and 63,286.52

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Solution

The fourth proportional to 111,042.40, 153,234.45 and 63,286.52 is: 87,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,042.40 : 153,234.45 = 63,286.52 : x
  2. Step 2: Convert to fraction form
    111,042.40/153,234.45 = 63,286.52/x
  3. Step 3: Cross multiply
    111,042.40x = 153,234.45 × 63,286.52
  4. Step 4: Simplify right side
    111,042.40x = 9,697,675,084.61
  5. Step 5: Solve for x
    x = 9,697,675,084.61/111,042.40
  6. Step 6: Final answer
    x = 87,333.08

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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.