Home / 115,023.10-172,479.96-40,134.18

Finding the Fourth Proportional to 115,023.10, 172,479.96 and 40,134.18

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Solution

The fourth proportional to 115,023.10, 172,479.96 and 40,134.18 is: 60,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,023.10 : 172,479.96 = 40,134.18 : x
  2. Step 2: Convert to fraction form
    115,023.10/172,479.96 = 40,134.18/x
  3. Step 3: Cross multiply
    115,023.10x = 172,479.96 × 40,134.18
  4. Step 4: Simplify right side
    115,023.10x = 6,922,341,761.03
  5. Step 5: Solve for x
    x = 6,922,341,761.03/115,023.10
  6. Step 6: Final answer
    x = 60,182.19

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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.