Home / 149,916.84-224,764.10-90,738.66

Finding the Fourth Proportional to 149,916.84, 224,764.10 and 90,738.66

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Solution

The fourth proportional to 149,916.84, 224,764.10 and 90,738.66 is: 136,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,916.84 : 224,764.10 = 90,738.66 : x
  2. Step 2: Convert to fraction form
    149,916.84/224,764.10 = 90,738.66/x
  3. Step 3: Cross multiply
    149,916.84x = 224,764.10 × 90,738.66
  4. Step 4: Simplify right side
    149,916.84x = 20,394,793,250.11
  5. Step 5: Solve for x
    x = 20,394,793,250.11/149,916.84
  6. Step 6: Final answer
    x = 136,040.71

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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.