Home / 142,122.06-213,194.43-82,963.71

Finding the Fourth Proportional to 142,122.06, 213,194.43 and 82,963.71

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Solution

The fourth proportional to 142,122.06, 213,194.43 and 82,963.71 is: 124,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,122.06 : 213,194.43 = 82,963.71 : x
  2. Step 2: Convert to fraction form
    142,122.06/213,194.43 = 82,963.71/x
  3. Step 3: Cross multiply
    142,122.06x = 213,194.43 × 82,963.71
  4. Step 4: Simplify right side
    142,122.06x = 17,687,400,864.14
  5. Step 5: Solve for x
    x = 17,687,400,864.14/142,122.06
  6. Step 6: Final answer
    x = 124,452.18

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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.