Home / 121,262.10-167,344.62-67,547.97

Finding the Fourth Proportional to 121,262.10, 167,344.62 and 67,547.97

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Solution

The fourth proportional to 121,262.10, 167,344.62 and 67,547.97 is: 93,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.10 : 167,344.62 = 67,547.97 : x
  2. Step 2: Convert to fraction form
    121,262.10/167,344.62 = 67,547.97/x
  3. Step 3: Cross multiply
    121,262.10x = 167,344.62 × 67,547.97
  4. Step 4: Simplify right side
    121,262.10x = 11,303,789,371.42
  5. Step 5: Solve for x
    x = 11,303,789,371.42/121,262.10
  6. Step 6: Final answer
    x = 93,217.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.