Home / 121,349.13-182,105.71-42,464.04

Finding the Fourth Proportional to 121,349.13, 182,105.71 and 42,464.04

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Solution

The fourth proportional to 121,349.13, 182,105.71 and 42,464.04 is: 63,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.13 : 182,105.71 = 42,464.04 : x
  2. Step 2: Convert to fraction form
    121,349.13/182,105.71 = 42,464.04/x
  3. Step 3: Cross multiply
    121,349.13x = 182,105.71 × 42,464.04
  4. Step 4: Simplify right side
    121,349.13x = 7,732,943,941.35
  5. Step 5: Solve for x
    x = 7,732,943,941.35/121,349.13
  6. Step 6: Final answer
    x = 63,724.76

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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.