Home / 248,082.57-342,207.79-156,055.18

Finding the Fourth Proportional to 248,082.57, 342,207.79 and 156,055.18

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Solution

The fourth proportional to 248,082.57, 342,207.79 and 156,055.18 is: 215,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,082.57 : 342,207.79 = 156,055.18 : x
  2. Step 2: Convert to fraction form
    248,082.57/342,207.79 = 156,055.18/x
  3. Step 3: Cross multiply
    248,082.57x = 342,207.79 × 156,055.18
  4. Step 4: Simplify right side
    248,082.57x = 53,403,298,265.85
  5. Step 5: Solve for x
    x = 53,403,298,265.85/248,082.57
  6. Step 6: Final answer
    x = 215,264.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.