Home / 99,862.22-137,810.67-55,150.22

Finding the Fourth Proportional to 99,862.22, 137,810.67 and 55,150.22

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Solution

The fourth proportional to 99,862.22, 137,810.67 and 55,150.22 is: 76,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862.22 : 137,810.67 = 55,150.22 : x
  2. Step 2: Convert to fraction form
    99,862.22/137,810.67 = 55,150.22/x
  3. Step 3: Cross multiply
    99,862.22x = 137,810.67 × 55,150.22
  4. Step 4: Simplify right side
    99,862.22x = 7,600,288,768.85
  5. Step 5: Solve for x
    x = 7,600,288,768.85/99,862.22
  6. Step 6: Final answer
    x = 76,107.75

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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.