Home / 134,676.12-185,854.25-74,248.90

Finding the Fourth Proportional to 134,676.12, 185,854.25 and 74,248.90

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Solution

The fourth proportional to 134,676.12, 185,854.25 and 74,248.90 is: 102,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.12 : 185,854.25 = 74,248.90 : x
  2. Step 2: Convert to fraction form
    134,676.12/185,854.25 = 74,248.90/x
  3. Step 3: Cross multiply
    134,676.12x = 185,854.25 × 74,248.90
  4. Step 4: Simplify right side
    134,676.12x = 13,799,473,971.59
  5. Step 5: Solve for x
    x = 13,799,473,971.59/134,676.12
  6. Step 6: Final answer
    x = 102,464.15

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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.