Home / 137,768.10-206,652.15-58,890.30

Finding the Fourth Proportional to 137,768.10, 206,652.15 and 58,890.30

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Solution

The fourth proportional to 137,768.10, 206,652.15 and 58,890.30 is: 88,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,768.10 : 206,652.15 = 58,890.30 : x
  2. Step 2: Convert to fraction form
    137,768.10/206,652.15 = 58,890.30/x
  3. Step 3: Cross multiply
    137,768.10x = 206,652.15 × 58,890.30
  4. Step 4: Simplify right side
    137,768.10x = 12,169,807,109.15
  5. Step 5: Solve for x
    x = 12,169,807,109.15/137,768.10
  6. Step 6: Final answer
    x = 88,335.45

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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.