Home / 263,545.41-363,692.88-142,686.78

Finding the Fourth Proportional to 263,545.41, 363,692.88 and 142,686.78

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Solution

The fourth proportional to 263,545.41, 363,692.88 and 142,686.78 is: 196,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,545.41 : 363,692.88 = 142,686.78 : x
  2. Step 2: Convert to fraction form
    263,545.41/363,692.88 = 142,686.78/x
  3. Step 3: Cross multiply
    263,545.41x = 363,692.88 × 142,686.78
  4. Step 4: Simplify right side
    263,545.41x = 51,894,165,956.13
  5. Step 5: Solve for x
    x = 51,894,165,956.13/263,545.41
  6. Step 6: Final answer
    x = 196,907.87

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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.