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Finding the Fourth Proportional to 173,356.16, 260,034.24 and 61,009.92

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Solution

The fourth proportional to 173,356.16, 260,034.24 and 61,009.92 is: 91,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,356.16 : 260,034.24 = 61,009.92 : x
  2. Step 2: Convert to fraction form
    173,356.16/260,034.24 = 61,009.92/x
  3. Step 3: Cross multiply
    173,356.16x = 260,034.24 × 61,009.92
  4. Step 4: Simplify right side
    173,356.16x = 15,864,668,179.66
  5. Step 5: Solve for x
    x = 15,864,668,179.66/173,356.16
  6. Step 6: Final answer
    x = 91,514.88

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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.