Home / 263,411.76-363,508.29-142,553.10

Finding the Fourth Proportional to 263,411.76, 363,508.29 and 142,553.10

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Solution

The fourth proportional to 263,411.76, 363,508.29 and 142,553.10 is: 196,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,411.76 : 363,508.29 = 142,553.10 : x
  2. Step 2: Convert to fraction form
    263,411.76/363,508.29 = 142,553.10/x
  3. Step 3: Cross multiply
    263,411.76x = 363,508.29 × 142,553.10
  4. Step 4: Simplify right side
    263,411.76x = 51,819,233,615.20
  5. Step 5: Solve for x
    x = 51,819,233,615.20/263,411.76
  6. Step 6: Final answer
    x = 196,723.31

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1.5x scale

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.