Home / 121,231.60-181,847.40-32,498.80

Finding the Fourth Proportional to 121,231.60, 181,847.40 and 32,498.80

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Solution

The fourth proportional to 121,231.60, 181,847.40 and 32,498.80 is: 48,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,231.60 : 181,847.40 = 32,498.80 : x
  2. Step 2: Convert to fraction form
    121,231.60/181,847.40 = 32,498.80/x
  3. Step 3: Cross multiply
    121,231.60x = 181,847.40 × 32,498.80
  4. Step 4: Simplify right side
    121,231.60x = 5,909,822,283.12
  5. Step 5: Solve for x
    x = 5,909,822,283.12/121,231.60
  6. Step 6: Final answer
    x = 48,748.20

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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.