Home / 263,531.61-363,671.10-142,669.76

Finding the Fourth Proportional to 263,531.61, 363,671.10 and 142,669.76

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Solution

The fourth proportional to 263,531.61, 363,671.10 and 142,669.76 is: 196,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,531.61 : 363,671.10 = 142,669.76 : x
  2. Step 2: Convert to fraction form
    263,531.61/363,671.10 = 142,669.76/x
  3. Step 3: Cross multiply
    263,531.61x = 363,671.10 × 142,669.76
  4. Step 4: Simplify right side
    263,531.61x = 51,884,866,737.58
  5. Step 5: Solve for x
    x = 51,884,866,737.58/263,531.61
  6. Step 6: Final answer
    x = 196,882.90

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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.