Home / 120,924.60-181,419.54-42,043.20

Finding the Fourth Proportional to 120,924.60, 181,419.54 and 42,043.20

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Solution

The fourth proportional to 120,924.60, 181,419.54 and 42,043.20 is: 63,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924.60 : 181,419.54 = 42,043.20 : x
  2. Step 2: Convert to fraction form
    120,924.60/181,419.54 = 42,043.20/x
  3. Step 3: Cross multiply
    120,924.60x = 181,419.54 × 42,043.20
  4. Step 4: Simplify right side
    120,924.60x = 7,627,458,004.13
  5. Step 5: Solve for x
    x = 7,627,458,004.13/120,924.60
  6. Step 6: Final answer
    x = 63,076.15

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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.