Home / 143,640.30-214,950.15-125,123.70

Finding the Fourth Proportional to 143,640.30, 214,950.15 and 125,123.70

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Solution

The fourth proportional to 143,640.30, 214,950.15 and 125,123.70 is: 187,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640.30 : 214,950.15 = 125,123.70 : x
  2. Step 2: Convert to fraction form
    143,640.30/214,950.15 = 125,123.70/x
  3. Step 3: Cross multiply
    143,640.30x = 214,950.15 × 125,123.70
  4. Step 4: Simplify right side
    143,640.30x = 26,895,358,083.56
  5. Step 5: Solve for x
    x = 26,895,358,083.56/143,640.30
  6. Step 6: Final answer
    x = 187,241.03

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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.