Home / 103,227.92-142,446.36-57,899.84

Finding the Fourth Proportional to 103,227.92, 142,446.36 and 57,899.84

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Solution

The fourth proportional to 103,227.92, 142,446.36 and 57,899.84 is: 79,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,227.92 : 142,446.36 = 57,899.84 : x
  2. Step 2: Convert to fraction form
    103,227.92/142,446.36 = 57,899.84/x
  3. Step 3: Cross multiply
    103,227.92x = 142,446.36 × 57,899.84
  4. Step 4: Simplify right side
    103,227.92x = 8,247,621,452.58
  5. Step 5: Solve for x
    x = 8,247,621,452.58/103,227.92
  6. Step 6: Final answer
    x = 79,897.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.