Home / 187,580.16-281,284.92-80,913.60

Finding the Fourth Proportional to 187,580.16, 281,284.92 and 80,913.60

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Solution

The fourth proportional to 187,580.16, 281,284.92 and 80,913.60 is: 121,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,580.16 : 281,284.92 = 80,913.60 : x
  2. Step 2: Convert to fraction form
    187,580.16/281,284.92 = 80,913.60/x
  3. Step 3: Cross multiply
    187,580.16x = 281,284.92 × 80,913.60
  4. Step 4: Simplify right side
    187,580.16x = 22,759,775,502.91
  5. Step 5: Solve for x
    x = 22,759,775,502.91/187,580.16
  6. Step 6: Final answer
    x = 121,333.60

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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.