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Finding the Fourth Proportional to 140,976.50, 211,520.03 and 62,035.32

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Solution

The fourth proportional to 140,976.50, 211,520.03 and 62,035.32 is: 93,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.50 : 211,520.03 = 62,035.32 : x
  2. Step 2: Convert to fraction form
    140,976.50/211,520.03 = 62,035.32/x
  3. Step 3: Cross multiply
    140,976.50x = 211,520.03 × 62,035.32
  4. Step 4: Simplify right side
    140,976.50x = 13,121,712,437.28
  5. Step 5: Solve for x
    x = 13,121,712,437.28/140,976.50
  6. Step 6: Final answer
    x = 93,077.31

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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.