Home / 193,659.26-290,535.60-67,281.10

Finding the Fourth Proportional to 193,659.26, 290,535.60 and 67,281.10

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Solution

The fourth proportional to 193,659.26, 290,535.60 and 67,281.10 is: 100,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,659.26 : 290,535.60 = 67,281.10 : x
  2. Step 2: Convert to fraction form
    193,659.26/290,535.60 = 67,281.10/x
  3. Step 3: Cross multiply
    193,659.26x = 290,535.60 × 67,281.10
  4. Step 4: Simplify right side
    193,659.26x = 19,547,554,757.16
  5. Step 5: Solve for x
    x = 19,547,554,757.16/193,659.26
  6. Step 6: Final answer
    x = 100,937.88

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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.