Home / 145,963.32-218,853.18-61,680.12

Finding the Fourth Proportional to 145,963.32, 218,853.18 and 61,680.12

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Solution

The fourth proportional to 145,963.32, 218,853.18 and 61,680.12 is: 92,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,963.32 : 218,853.18 = 61,680.12 : x
  2. Step 2: Convert to fraction form
    145,963.32/218,853.18 = 61,680.12/x
  3. Step 3: Cross multiply
    145,963.32x = 218,853.18 × 61,680.12
  4. Step 4: Simplify right side
    145,963.32x = 13,498,890,404.78
  5. Step 5: Solve for x
    x = 13,498,890,404.78/145,963.32
  6. Step 6: Final answer
    x = 92,481.39

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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.