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Finding the Fourth Proportional to 134,262, 185,282.46 and 73,830.78

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Solution

The fourth proportional to 134,262, 185,282.46 and 73,830.78 is: 101,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,262 : 185,282.46 = 73,830.78 : x
  2. Step 2: Convert to fraction form
    134,262/185,282.46 = 73,830.78/x
  3. Step 3: Cross multiply
    134,262x = 185,282.46 × 73,830.78
  4. Step 4: Simplify right side
    134,262x = 13,679,548,542.12
  5. Step 5: Solve for x
    x = 13,679,548,542.12/134,262
  6. Step 6: Final answer
    x = 101,886.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.