Home / 108,971.92-150,364.98-61,216.18

Finding the Fourth Proportional to 108,971.92, 150,364.98 and 61,216.18

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Solution

The fourth proportional to 108,971.92, 150,364.98 and 61,216.18 is: 84,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,971.92 : 150,364.98 = 61,216.18 : x
  2. Step 2: Convert to fraction form
    108,971.92/150,364.98 = 61,216.18/x
  3. Step 3: Cross multiply
    108,971.92x = 150,364.98 × 61,216.18
  4. Step 4: Simplify right side
    108,971.92x = 9,204,769,681.38
  5. Step 5: Solve for x
    x = 9,204,769,681.38/108,971.92
  6. Step 6: Final answer
    x = 84,469.19

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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.