Home / 149,778.72-224,557.11-70,800.66

Finding the Fourth Proportional to 149,778.72, 224,557.11 and 70,800.66

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Solution

The fourth proportional to 149,778.72, 224,557.11 and 70,800.66 is: 106,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,778.72 : 224,557.11 = 70,800.66 : x
  2. Step 2: Convert to fraction form
    149,778.72/224,557.11 = 70,800.66/x
  3. Step 3: Cross multiply
    149,778.72x = 224,557.11 × 70,800.66
  4. Step 4: Simplify right side
    149,778.72x = 15,898,791,595.69
  5. Step 5: Solve for x
    x = 15,898,791,595.69/149,778.72
  6. Step 6: Final answer
    x = 106,148.53

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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.