Home / 136,211.60-204,397.32-57,319.76

Finding the Fourth Proportional to 136,211.60, 204,397.32 and 57,319.76

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Solution

The fourth proportional to 136,211.60, 204,397.32 and 57,319.76 is: 86,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.60 : 204,397.32 = 57,319.76 : x
  2. Step 2: Convert to fraction form
    136,211.60/204,397.32 = 57,319.76/x
  3. Step 3: Cross multiply
    136,211.60x = 204,397.32 × 57,319.76
  4. Step 4: Simplify right side
    136,211.60x = 11,716,005,327.04
  5. Step 5: Solve for x
    x = 11,716,005,327.04/136,211.60
  6. Step 6: Final answer
    x = 86,013.27

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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.