Home / 141,983.28-212,862.47-70,869.33

Finding the Fourth Proportional to 141,983.28, 212,862.47 and 70,869.33

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Solution

The fourth proportional to 141,983.28, 212,862.47 and 70,869.33 is: 106,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,983.28 : 212,862.47 = 70,869.33 : x
  2. Step 2: Convert to fraction form
    141,983.28/212,862.47 = 70,869.33/x
  3. Step 3: Cross multiply
    141,983.28x = 212,862.47 × 70,869.33
  4. Step 4: Simplify right side
    141,983.28x = 15,085,420,276.70
  5. Step 5: Solve for x
    x = 15,085,420,276.70/141,983.28
  6. Step 6: Final answer
    x = 106,247.86

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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.