Home / 134,740.80-185,933.70-74,311.83

Finding the Fourth Proportional to 134,740.80, 185,933.70 and 74,311.83

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Solution

The fourth proportional to 134,740.80, 185,933.70 and 74,311.83 is: 102,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.80 : 185,933.70 = 74,311.83 : x
  2. Step 2: Convert to fraction form
    134,740.80/185,933.70 = 74,311.83/x
  3. Step 3: Cross multiply
    134,740.80x = 185,933.70 × 74,311.83
  4. Step 4: Simplify right side
    134,740.80x = 13,817,073,505.67
  5. Step 5: Solve for x
    x = 13,817,073,505.67/134,740.80
  6. Step 6: Final answer
    x = 102,545.58

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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.