Home / 143,288.10-214,932.15-38,117.70

Finding the Fourth Proportional to 143,288.10, 214,932.15 and 38,117.70

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Solution

The fourth proportional to 143,288.10, 214,932.15 and 38,117.70 is: 57,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,288.10 : 214,932.15 = 38,117.70 : x
  2. Step 2: Convert to fraction form
    143,288.10/214,932.15 = 38,117.70/x
  3. Step 3: Cross multiply
    143,288.10x = 214,932.15 × 38,117.70
  4. Step 4: Simplify right side
    143,288.10x = 8,192,719,214.06
  5. Step 5: Solve for x
    x = 8,192,719,214.06/143,288.10
  6. Step 6: Final answer
    x = 57,176.55

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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.