Home / 121,562.29-182,361.62-42,662.65

Finding the Fourth Proportional to 121,562.29, 182,361.62 and 42,662.65

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Solution

The fourth proportional to 121,562.29, 182,361.62 and 42,662.65 is: 64,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,562.29 : 182,361.62 = 42,662.65 : x
  2. Step 2: Convert to fraction form
    121,562.29/182,361.62 = 42,662.65/x
  3. Step 3: Cross multiply
    121,562.29x = 182,361.62 × 42,662.65
  4. Step 4: Simplify right side
    121,562.29x = 7,780,029,754.18
  5. Step 5: Solve for x
    x = 7,780,029,754.18/121,562.29
  6. Step 6: Final answer
    x = 64,000.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.