Home / 136,381.75-204,572.21-61,414.13

Finding the Fourth Proportional to 136,381.75, 204,572.21 and 61,414.13

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Solution

The fourth proportional to 136,381.75, 204,572.21 and 61,414.13 is: 92,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,381.75 : 204,572.21 = 61,414.13 : x
  2. Step 2: Convert to fraction form
    136,381.75/204,572.21 = 61,414.13/x
  3. Step 3: Cross multiply
    136,381.75x = 204,572.21 × 61,414.13
  4. Step 4: Simplify right side
    136,381.75x = 12,563,624,503.69
  5. Step 5: Solve for x
    x = 12,563,624,503.69/136,381.75
  6. Step 6: Final answer
    x = 92,121.01

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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.