Home / 136,416.60-204,527.70-52,144.20

Finding the Fourth Proportional to 136,416.60, 204,527.70 and 52,144.20

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Solution

The fourth proportional to 136,416.60, 204,527.70 and 52,144.20 is: 78,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.60 : 204,527.70 = 52,144.20 : x
  2. Step 2: Convert to fraction form
    136,416.60/204,527.70 = 52,144.20/x
  3. Step 3: Cross multiply
    136,416.60x = 204,527.70 × 52,144.20
  4. Step 4: Simplify right side
    136,416.60x = 10,664,933,294.34
  5. Step 5: Solve for x
    x = 10,664,933,294.34/136,416.60
  6. Step 6: Final answer
    x = 78,179.15

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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.