Home / 90,202.66-135,301.19-42,851.82

Finding the Fourth Proportional to 90,202.66, 135,301.19 and 42,851.82

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Solution

The fourth proportional to 90,202.66, 135,301.19 and 42,851.82 is: 64,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.66 : 135,301.19 = 42,851.82 : x
  2. Step 2: Convert to fraction form
    90,202.66/135,301.19 = 42,851.82/x
  3. Step 3: Cross multiply
    90,202.66x = 135,301.19 × 42,851.82
  4. Step 4: Simplify right side
    90,202.66x = 5,797,902,239.67
  5. Step 5: Solve for x
    x = 5,797,902,239.67/90,202.66
  6. Step 6: Final answer
    x = 64,276.40

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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.