Home / 263,631.61-363,811.98-142,773.13

Finding the Fourth Proportional to 263,631.61, 363,811.98 and 142,773.13

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Solution

The fourth proportional to 263,631.61, 363,811.98 and 142,773.13 is: 197,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,631.61 : 363,811.98 = 142,773.13 : x
  2. Step 2: Convert to fraction form
    263,631.61/363,811.98 = 142,773.13/x
  3. Step 3: Cross multiply
    263,631.61x = 363,811.98 × 142,773.13
  4. Step 4: Simplify right side
    263,631.61x = 51,942,575,116.10
  5. Step 5: Solve for x
    x = 51,942,575,116.10/263,631.61
  6. Step 6: Final answer
    x = 197,027.11

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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.