Home / 172,055.10-258,082.65-45,695.10

Finding the Fourth Proportional to 172,055.10, 258,082.65 and 45,695.10

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Solution

The fourth proportional to 172,055.10, 258,082.65 and 45,695.10 is: 68,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,055.10 : 258,082.65 = 45,695.10 : x
  2. Step 2: Convert to fraction form
    172,055.10/258,082.65 = 45,695.10/x
  3. Step 3: Cross multiply
    172,055.10x = 258,082.65 × 45,695.10
  4. Step 4: Simplify right side
    172,055.10x = 11,793,112,500.02
  5. Step 5: Solve for x
    x = 11,793,112,500.02/172,055.10
  6. Step 6: Final answer
    x = 68,542.65

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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.