Home / 134,781.80-185,998.88-74,352.58

Finding the Fourth Proportional to 134,781.80, 185,998.88 and 74,352.58

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Solution

The fourth proportional to 134,781.80, 185,998.88 and 74,352.58 is: 102,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.80 : 185,998.88 = 74,352.58 : x
  2. Step 2: Convert to fraction form
    134,781.80/185,998.88 = 74,352.58/x
  3. Step 3: Cross multiply
    134,781.80x = 185,998.88 × 74,352.58
  4. Step 4: Simplify right side
    134,781.80x = 13,829,496,605.11
  5. Step 5: Solve for x
    x = 13,829,496,605.11/134,781.80
  6. Step 6: Final answer
    x = 102,606.56

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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.