Home / 137,447.19-206,132.40-48,676.86

Finding the Fourth Proportional to 137,447.19, 206,132.40 and 48,676.86

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Solution

The fourth proportional to 137,447.19, 206,132.40 and 48,676.86 is: 73,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,447.19 : 206,132.40 = 48,676.86 : x
  2. Step 2: Convert to fraction form
    137,447.19/206,132.40 = 48,676.86/x
  3. Step 3: Cross multiply
    137,447.19x = 206,132.40 × 48,676.86
  4. Step 4: Simplify right side
    137,447.19x = 10,033,877,976.26
  5. Step 5: Solve for x
    x = 10,033,877,976.26/137,447.19
  6. Step 6: Final answer
    x = 73,001.70

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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.