Home / 143,527.64-215,306.14-54,855.78

Finding the Fourth Proportional to 143,527.64, 215,306.14 and 54,855.78

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Solution

The fourth proportional to 143,527.64, 215,306.14 and 54,855.78 is: 82,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.64 : 215,306.14 = 54,855.78 : x
  2. Step 2: Convert to fraction form
    143,527.64/215,306.14 = 54,855.78/x
  3. Step 3: Cross multiply
    143,527.64x = 215,306.14 × 54,855.78
  4. Step 4: Simplify right side
    143,527.64x = 11,810,786,248.49
  5. Step 5: Solve for x
    x = 11,810,786,248.49/143,527.64
  6. Step 6: Final answer
    x = 82,289.28

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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.