Home / 187,812.90-281,779.56-54,701.15

Finding the Fourth Proportional to 187,812.90, 281,779.56 and 54,701.15

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Solution

The fourth proportional to 187,812.90, 281,779.56 and 54,701.15 is: 82,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812.90 : 281,779.56 = 54,701.15 : x
  2. Step 2: Convert to fraction form
    187,812.90/281,779.56 = 54,701.15/x
  3. Step 3: Cross multiply
    187,812.90x = 281,779.56 × 54,701.15
  4. Step 4: Simplify right side
    187,812.90x = 15,413,664,569.60
  5. Step 5: Solve for x
    x = 15,413,664,569.60/187,812.90
  6. Step 6: Final answer
    x = 82,069.25

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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.