Home / 121,223.60-181,835.40-32,490.80

Finding the Fourth Proportional to 121,223.60, 181,835.40 and 32,490.80

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Solution

The fourth proportional to 121,223.60, 181,835.40 and 32,490.80 is: 48,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,223.60 : 181,835.40 = 32,490.80 : x
  2. Step 2: Convert to fraction form
    121,223.60/181,835.40 = 32,490.80/x
  3. Step 3: Cross multiply
    121,223.60x = 181,835.40 × 32,490.80
  4. Step 4: Simplify right side
    121,223.60x = 5,907,977,614.32
  5. Step 5: Solve for x
    x = 5,907,977,614.32/121,223.60
  6. Step 6: Final answer
    x = 48,736.20

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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.