Home / 134,520.13-185,635.86-74,090.89

Finding the Fourth Proportional to 134,520.13, 185,635.86 and 74,090.89

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Solution

The fourth proportional to 134,520.13, 185,635.86 and 74,090.89 is: 102,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,520.13 : 185,635.86 = 74,090.89 : x
  2. Step 2: Convert to fraction form
    134,520.13/185,635.86 = 74,090.89/x
  3. Step 3: Cross multiply
    134,520.13x = 185,635.86 × 74,090.89
  4. Step 4: Simplify right side
    134,520.13x = 13,753,926,083.32
  5. Step 5: Solve for x
    x = 13,753,926,083.32/134,520.13
  6. Step 6: Final answer
    x = 102,244.37

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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.