Home / 134,881.60-202,322.40-99,452.20

Finding the Fourth Proportional to 134,881.60, 202,322.40 and 99,452.20

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Solution

The fourth proportional to 134,881.60, 202,322.40 and 99,452.20 is: 149,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.60 : 202,322.40 = 99,452.20 : x
  2. Step 2: Convert to fraction form
    134,881.60/202,322.40 = 99,452.20/x
  3. Step 3: Cross multiply
    134,881.60x = 202,322.40 × 99,452.20
  4. Step 4: Simplify right side
    134,881.60x = 20,121,407,789.28
  5. Step 5: Solve for x
    x = 20,121,407,789.28/134,881.60
  6. Step 6: Final answer
    x = 149,178.30

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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.