Home / 221,438.10-332,092.35-79,266.90

Finding the Fourth Proportional to 221,438.10, 332,092.35 and 79,266.90

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Solution

The fourth proportional to 221,438.10, 332,092.35 and 79,266.90 is: 118,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,438.10 : 332,092.35 = 79,266.90 : x
  2. Step 2: Convert to fraction form
    221,438.10/332,092.35 = 79,266.90/x
  3. Step 3: Cross multiply
    221,438.10x = 332,092.35 × 79,266.90
  4. Step 4: Simplify right side
    221,438.10x = 26,323,931,098.22
  5. Step 5: Solve for x
    x = 26,323,931,098.22/221,438.10
  6. Step 6: Final answer
    x = 118,877.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.