Home / 136,761.10-188,581.53-88,925.74

Finding the Fourth Proportional to 136,761.10, 188,581.53 and 88,925.74

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Solution

The fourth proportional to 136,761.10, 188,581.53 and 88,925.74 is: 122,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,761.10 : 188,581.53 = 88,925.74 : x
  2. Step 2: Convert to fraction form
    136,761.10/188,581.53 = 88,925.74/x
  3. Step 3: Cross multiply
    136,761.10x = 188,581.53 × 88,925.74
  4. Step 4: Simplify right side
    136,761.10x = 16,769,751,967.60
  5. Step 5: Solve for x
    x = 16,769,751,967.60/136,761.10
  6. Step 6: Final answer
    x = 122,620.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.