Home / 102,278.52-153,318.60-52,382.16

Finding the Fourth Proportional to 102,278.52, 153,318.60 and 52,382.16

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Solution

The fourth proportional to 102,278.52, 153,318.60 and 52,382.16 is: 78,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,278.52 : 153,318.60 = 52,382.16 : x
  2. Step 2: Convert to fraction form
    102,278.52/153,318.60 = 52,382.16/x
  3. Step 3: Cross multiply
    102,278.52x = 153,318.60 × 52,382.16
  4. Step 4: Simplify right side
    102,278.52x = 8,031,159,436.18
  5. Step 5: Solve for x
    x = 8,031,159,436.18/102,278.52
  6. Step 6: Final answer
    x = 78,522.44

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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.