Home / 136,844.42-188,835.89-75,587.90

Finding the Fourth Proportional to 136,844.42, 188,835.89 and 75,587.90

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Solution

The fourth proportional to 136,844.42, 188,835.89 and 75,587.90 is: 104,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,844.42 : 188,835.89 = 75,587.90 : x
  2. Step 2: Convert to fraction form
    136,844.42/188,835.89 = 75,587.90/x
  3. Step 3: Cross multiply
    136,844.42x = 188,835.89 × 75,587.90
  4. Step 4: Simplify right side
    136,844.42x = 14,273,707,047.61
  5. Step 5: Solve for x
    x = 14,273,707,047.61/136,844.42
  6. Step 6: Final answer
    x = 104,306.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.