Home / 136,538.70-204,667.46-52,275.90

Finding the Fourth Proportional to 136,538.70, 204,667.46 and 52,275.90

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Solution

The fourth proportional to 136,538.70, 204,667.46 and 52,275.90 is: 78,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,538.70 : 204,667.46 = 52,275.90 : x
  2. Step 2: Convert to fraction form
    136,538.70/204,667.46 = 52,275.90/x
  3. Step 3: Cross multiply
    136,538.70x = 204,667.46 × 52,275.90
  4. Step 4: Simplify right side
    136,538.70x = 10,699,175,672.21
  5. Step 5: Solve for x
    x = 10,699,175,672.21/136,538.70
  6. Step 6: Final answer
    x = 78,360.02

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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.