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Finding the Fourth Proportional to 178,054.16, 267,121.22 and 59,722.47

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Solution

The fourth proportional to 178,054.16, 267,121.22 and 59,722.47 is: 89,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,054.16 : 267,121.22 = 59,722.47 : x
  2. Step 2: Convert to fraction form
    178,054.16/267,121.22 = 59,722.47/x
  3. Step 3: Cross multiply
    178,054.16x = 267,121.22 × 59,722.47
  4. Step 4: Simplify right side
    178,054.16x = 15,953,138,749.20
  5. Step 5: Solve for x
    x = 15,953,138,749.20/178,054.16
  6. Step 6: Final answer
    x = 89,597.12

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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.