Home / 178,538.79-267,806.97-45,417.86

Finding the Fourth Proportional to 178,538.79, 267,806.97 and 45,417.86

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Solution

The fourth proportional to 178,538.79, 267,806.97 and 45,417.86 is: 68,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.79 : 267,806.97 = 45,417.86 : x
  2. Step 2: Convert to fraction form
    178,538.79/267,806.97 = 45,417.86/x
  3. Step 3: Cross multiply
    178,538.79x = 267,806.97 × 45,417.86
  4. Step 4: Simplify right side
    178,538.79x = 12,163,218,131.45
  5. Step 5: Solve for x
    x = 12,163,218,131.45/178,538.79
  6. Step 6: Final answer
    x = 68,126.47

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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.