Home / 137,572.47-206,372.85-47,615.01

Finding the Fourth Proportional to 137,572.47, 206,372.85 and 47,615.01

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Solution

The fourth proportional to 137,572.47, 206,372.85 and 47,615.01 is: 71,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,572.47 : 206,372.85 = 47,615.01 : x
  2. Step 2: Convert to fraction form
    137,572.47/206,372.85 = 47,615.01/x
  3. Step 3: Cross multiply
    137,572.47x = 206,372.85 × 47,615.01
  4. Step 4: Simplify right side
    137,572.47x = 9,826,445,316.48
  5. Step 5: Solve for x
    x = 9,826,445,316.48/137,572.47
  6. Step 6: Final answer
    x = 71,427.41

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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.