Home / 121,707.20-182,560.80-88,270.40

Finding the Fourth Proportional to 121,707.20, 182,560.80 and 88,270.40

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Solution

The fourth proportional to 121,707.20, 182,560.80 and 88,270.40 is: 132,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,707.20 : 182,560.80 = 88,270.40 : x
  2. Step 2: Convert to fraction form
    121,707.20/182,560.80 = 88,270.40/x
  3. Step 3: Cross multiply
    121,707.20x = 182,560.80 × 88,270.40
  4. Step 4: Simplify right side
    121,707.20x = 16,114,714,840.32
  5. Step 5: Solve for x
    x = 16,114,714,840.32/121,707.20
  6. Step 6: Final answer
    x = 132,405.60

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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.