Home / 121,498.40-182,247.60-104,002.40

Finding the Fourth Proportional to 121,498.40, 182,247.60 and 104,002.40

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Solution

The fourth proportional to 121,498.40, 182,247.60 and 104,002.40 is: 156,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,498.40 : 182,247.60 = 104,002.40 : x
  2. Step 2: Convert to fraction form
    121,498.40/182,247.60 = 104,002.40/x
  3. Step 3: Cross multiply
    121,498.40x = 182,247.60 × 104,002.40
  4. Step 4: Simplify right side
    121,498.40x = 18,954,187,794.24
  5. Step 5: Solve for x
    x = 18,954,187,794.24/121,498.40
  6. Step 6: Final answer
    x = 156,003.60

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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.