Home / 136,422.60-204,536.70-52,150.20

Finding the Fourth Proportional to 136,422.60, 204,536.70 and 52,150.20

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Solution

The fourth proportional to 136,422.60, 204,536.70 and 52,150.20 is: 78,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422.60 : 204,536.70 = 52,150.20 : x
  2. Step 2: Convert to fraction form
    136,422.60/204,536.70 = 52,150.20/x
  3. Step 3: Cross multiply
    136,422.60x = 204,536.70 × 52,150.20
  4. Step 4: Simplify right side
    136,422.60x = 10,666,629,812.34
  5. Step 5: Solve for x
    x = 10,666,629,812.34/136,422.60
  6. Step 6: Final answer
    x = 78,188.14

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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.