Home / 119,116.83-178,680.10-30,372.65

Finding the Fourth Proportional to 119,116.83, 178,680.10 and 30,372.65

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Solution

The fourth proportional to 119,116.83, 178,680.10 and 30,372.65 is: 45,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,116.83 : 178,680.10 = 30,372.65 : x
  2. Step 2: Convert to fraction form
    119,116.83/178,680.10 = 30,372.65/x
  3. Step 3: Cross multiply
    119,116.83x = 178,680.10 × 30,372.65
  4. Step 4: Simplify right side
    119,116.83x = 5,426,987,479.82
  5. Step 5: Solve for x
    x = 5,426,987,479.82/119,116.83
  6. Step 6: Final answer
    x = 45,560.21

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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.