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Finding the Fourth Proportional to 145,754.53, 218,465.94 and 88,702.57

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Solution

The fourth proportional to 145,754.53, 218,465.94 and 88,702.57 is: 132,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,754.53 : 218,465.94 = 88,702.57 : x
  2. Step 2: Convert to fraction form
    145,754.53/218,465.94 = 88,702.57/x
  3. Step 3: Cross multiply
    145,754.53x = 218,465.94 × 88,702.57
  4. Step 4: Simplify right side
    145,754.53x = 19,378,490,335.47
  5. Step 5: Solve for x
    x = 19,378,490,335.47/145,754.53
  6. Step 6: Final answer
    x = 132,952.92

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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.