Home / 121,451.20-182,176.80-88,014.40

Finding the Fourth Proportional to 121,451.20, 182,176.80 and 88,014.40

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Solution

The fourth proportional to 121,451.20, 182,176.80 and 88,014.40 is: 132,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,451.20 : 182,176.80 = 88,014.40 : x
  2. Step 2: Convert to fraction form
    121,451.20/182,176.80 = 88,014.40/x
  3. Step 3: Cross multiply
    121,451.20x = 182,176.80 × 88,014.40
  4. Step 4: Simplify right side
    121,451.20x = 16,034,181,745.92
  5. Step 5: Solve for x
    x = 16,034,181,745.92/121,451.20
  6. Step 6: Final answer
    x = 132,021.60

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1.5x scale

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.