Home / 137,623.48-206,385.71-47,641.77

Finding the Fourth Proportional to 137,623.48, 206,385.71 and 47,641.77

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Solution

The fourth proportional to 137,623.48, 206,385.71 and 47,641.77 is: 71,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,623.48 : 206,385.71 = 47,641.77 : x
  2. Step 2: Convert to fraction form
    137,623.48/206,385.71 = 47,641.77/x
  3. Step 3: Cross multiply
    137,623.48x = 206,385.71 × 47,641.77
  4. Step 4: Simplify right side
    137,623.48x = 9,832,580,288.90
  5. Step 5: Solve for x
    x = 9,832,580,288.90/137,623.48
  6. Step 6: Final answer
    x = 71,445.52

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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.