Home / 149,741.80-224,612.70-120,217.30

Finding the Fourth Proportional to 149,741.80, 224,612.70 and 120,217.30

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Solution

The fourth proportional to 149,741.80, 224,612.70 and 120,217.30 is: 180,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,741.80 : 224,612.70 = 120,217.30 : x
  2. Step 2: Convert to fraction form
    149,741.80/224,612.70 = 120,217.30/x
  3. Step 3: Cross multiply
    149,741.80x = 224,612.70 × 120,217.30
  4. Step 4: Simplify right side
    149,741.80x = 27,002,332,339.71
  5. Step 5: Solve for x
    x = 27,002,332,339.71/149,741.80
  6. Step 6: Final answer
    x = 180,325.95

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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.