Home / 88,375.35-121,966.11-50,147.40

Finding the Fourth Proportional to 88,375.35, 121,966.11 and 50,147.40

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Solution

The fourth proportional to 88,375.35, 121,966.11 and 50,147.40 is: 69,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,375.35 : 121,966.11 = 50,147.40 : x
  2. Step 2: Convert to fraction form
    88,375.35/121,966.11 = 50,147.40/x
  3. Step 3: Cross multiply
    88,375.35x = 121,966.11 × 50,147.40
  4. Step 4: Simplify right side
    88,375.35x = 6,116,283,304.61
  5. Step 5: Solve for x
    x = 6,116,283,304.61/88,375.35
  6. Step 6: Final answer
    x = 69,208.02

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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.