Home / 137,424.15-206,165.66-42,652.35

Finding the Fourth Proportional to 137,424.15, 206,165.66 and 42,652.35

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Solution

The fourth proportional to 137,424.15, 206,165.66 and 42,652.35 is: 63,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,424.15 : 206,165.66 = 42,652.35 : x
  2. Step 2: Convert to fraction form
    137,424.15/206,165.66 = 42,652.35/x
  3. Step 3: Cross multiply
    137,424.15x = 206,165.66 × 42,652.35
  4. Step 4: Simplify right side
    137,424.15x = 8,793,449,675.04
  5. Step 5: Solve for x
    x = 8,793,449,675.04/137,424.15
  6. Step 6: Final answer
    x = 63,987.66

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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.