Home / 136,177.46-204,266.28-42,690.50

Finding the Fourth Proportional to 136,177.46, 204,266.28 and 42,690.50

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Solution

The fourth proportional to 136,177.46, 204,266.28 and 42,690.50 is: 64,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.46 : 204,266.28 = 42,690.50 : x
  2. Step 2: Convert to fraction form
    136,177.46/204,266.28 = 42,690.50/x
  3. Step 3: Cross multiply
    136,177.46x = 204,266.28 × 42,690.50
  4. Step 4: Simplify right side
    136,177.46x = 8,720,229,626.34
  5. Step 5: Solve for x
    x = 8,720,229,626.34/136,177.46
  6. Step 6: Final answer
    x = 64,035.78

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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.