Home / 99,140.20-136,751.22-58,825.48

Finding the Fourth Proportional to 99,140.20, 136,751.22 and 58,825.48

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Solution

The fourth proportional to 99,140.20, 136,751.22 and 58,825.48 is: 81,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,140.20 : 136,751.22 = 58,825.48 : x
  2. Step 2: Convert to fraction form
    99,140.20/136,751.22 = 58,825.48/x
  3. Step 3: Cross multiply
    99,140.20x = 136,751.22 × 58,825.48
  4. Step 4: Simplify right side
    99,140.20x = 8,044,456,157.09
  5. Step 5: Solve for x
    x = 8,044,456,157.09/99,140.20
  6. Step 6: Final answer
    x = 81,142.22

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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.