Home / 149,379.80-224,069.70-142,122.20

Finding the Fourth Proportional to 149,379.80, 224,069.70 and 142,122.20

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Solution

The fourth proportional to 149,379.80, 224,069.70 and 142,122.20 is: 213,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379.80 : 224,069.70 = 142,122.20 : x
  2. Step 2: Convert to fraction form
    149,379.80/224,069.70 = 142,122.20/x
  3. Step 3: Cross multiply
    149,379.80x = 224,069.70 × 142,122.20
  4. Step 4: Simplify right side
    149,379.80x = 31,845,278,717.34
  5. Step 5: Solve for x
    x = 31,845,278,717.34/149,379.80
  6. Step 6: Final answer
    x = 213,183.30

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1.5x scale

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.