Home / 238,919.74-329,702.61-135,572.76

Finding the Fourth Proportional to 238,919.74, 329,702.61 and 135,572.76

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Solution

The fourth proportional to 238,919.74, 329,702.61 and 135,572.76 is: 187,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,919.74 : 329,702.61 = 135,572.76 : x
  2. Step 2: Convert to fraction form
    238,919.74/329,702.61 = 135,572.76/x
  3. Step 3: Cross multiply
    238,919.74x = 329,702.61 × 135,572.76
  4. Step 4: Simplify right side
    238,919.74x = 44,698,692,816.90
  5. Step 5: Solve for x
    x = 44,698,692,816.90/238,919.74
  6. Step 6: Final answer
    x = 187,086.65

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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.