Home / 121,345.17-182,034.16-113,964.04

Finding the Fourth Proportional to 121,345.17, 182,034.16 and 113,964.04

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Solution

The fourth proportional to 121,345.17, 182,034.16 and 113,964.04 is: 170,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,345.17 : 182,034.16 = 113,964.04 : x
  2. Step 2: Convert to fraction form
    121,345.17/182,034.16 = 113,964.04/x
  3. Step 3: Cross multiply
    121,345.17x = 182,034.16 × 113,964.04
  4. Step 4: Simplify right side
    121,345.17x = 20,745,348,234.24
  5. Step 5: Solve for x
    x = 20,745,348,234.24/121,345.17
  6. Step 6: Final answer
    x = 170,961.47

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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.