Home / 137,631.18-206,397.24-47,649.45

Finding the Fourth Proportional to 137,631.18, 206,397.24 and 47,649.45

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Solution

The fourth proportional to 137,631.18, 206,397.24 and 47,649.45 is: 71,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,631.18 : 206,397.24 = 47,649.45 : x
  2. Step 2: Convert to fraction form
    137,631.18/206,397.24 = 47,649.45/x
  3. Step 3: Cross multiply
    137,631.18x = 206,397.24 × 47,649.45
  4. Step 4: Simplify right side
    137,631.18x = 9,834,714,967.52
  5. Step 5: Solve for x
    x = 9,834,714,967.52/137,631.18
  6. Step 6: Final answer
    x = 71,457.03

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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.