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Finding the Fourth Proportional to 146,854.86, 220,282.50 and 36,046.86

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Solution

The fourth proportional to 146,854.86, 220,282.50 and 36,046.86 is: 54,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,854.86 : 220,282.50 = 36,046.86 : x
  2. Step 2: Convert to fraction form
    146,854.86/220,282.50 = 36,046.86/x
  3. Step 3: Cross multiply
    146,854.86x = 220,282.50 × 36,046.86
  4. Step 4: Simplify right side
    146,854.86x = 7,940,492,437.95
  5. Step 5: Solve for x
    x = 7,940,492,437.95/146,854.86
  6. Step 6: Final answer
    x = 54,070.34

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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.