Home / 187,707.60-281,559-45,554.04

Finding the Fourth Proportional to 187,707.60, 281,559 and 45,554.04

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Solution

The fourth proportional to 187,707.60, 281,559 and 45,554.04 is: 68,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,707.60 : 281,559 = 45,554.04 : x
  2. Step 2: Convert to fraction form
    187,707.60/281,559 = 45,554.04/x
  3. Step 3: Cross multiply
    187,707.60x = 281,559 × 45,554.04
  4. Step 4: Simplify right side
    187,707.60x = 12,826,149,948.36
  5. Step 5: Solve for x
    x = 12,826,149,948.36/187,707.60
  6. Step 6: Final answer
    x = 68,330.48

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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.