Home / 137,646.90-206,432.28-48,888.72

Finding the Fourth Proportional to 137,646.90, 206,432.28 and 48,888.72

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Solution

The fourth proportional to 137,646.90, 206,432.28 and 48,888.72 is: 73,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,646.90 : 206,432.28 = 48,888.72 : x
  2. Step 2: Convert to fraction form
    137,646.90/206,432.28 = 48,888.72/x
  3. Step 3: Cross multiply
    137,646.90x = 206,432.28 × 48,888.72
  4. Step 4: Simplify right side
    137,646.90x = 10,092,209,935.88
  5. Step 5: Solve for x
    x = 10,092,209,935.88/137,646.90
  6. Step 6: Final answer
    x = 73,319.56

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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.