Home / 143,288.80-214,422.90-124,772.20

Finding the Fourth Proportional to 143,288.80, 214,422.90 and 124,772.20

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Solution

The fourth proportional to 143,288.80, 214,422.90 and 124,772.20 is: 186,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,288.80 : 214,422.90 = 124,772.20 : x
  2. Step 2: Convert to fraction form
    143,288.80/214,422.90 = 124,772.20/x
  3. Step 3: Cross multiply
    143,288.80x = 214,422.90 × 124,772.20
  4. Step 4: Simplify right side
    143,288.80x = 26,754,016,963.38
  5. Step 5: Solve for x
    x = 26,754,016,963.38/143,288.80
  6. Step 6: Final answer
    x = 186,713.94

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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.