Home / 136,022.60-187,707.44-75,591.72

Finding the Fourth Proportional to 136,022.60, 187,707.44 and 75,591.72

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Solution

The fourth proportional to 136,022.60, 187,707.44 and 75,591.72 is: 104,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.60 : 187,707.44 = 75,591.72 : x
  2. Step 2: Convert to fraction form
    136,022.60/187,707.44 = 75,591.72/x
  3. Step 3: Cross multiply
    136,022.60x = 187,707.44 × 75,591.72
  4. Step 4: Simplify right side
    136,022.60x = 14,189,128,435.38
  5. Step 5: Solve for x
    x = 14,189,128,435.38/136,022.60
  6. Step 6: Final answer
    x = 104,314.49

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1.5x scale

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.