Home / 148,237.80-222,372.90-143,572.20

Finding the Fourth Proportional to 148,237.80, 222,372.90 and 143,572.20

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Solution

The fourth proportional to 148,237.80, 222,372.90 and 143,572.20 is: 215,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,237.80 : 222,372.90 = 143,572.20 : x
  2. Step 2: Convert to fraction form
    148,237.80/222,372.90 = 143,572.20/x
  3. Step 3: Cross multiply
    148,237.80x = 222,372.90 × 143,572.20
  4. Step 4: Simplify right side
    148,237.80x = 31,926,566,473.38
  5. Step 5: Solve for x
    x = 31,926,566,473.38/148,237.80
  6. Step 6: Final answer
    x = 215,373.99

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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.