Home / 108,857.29-150,223.06-61,110.60

Finding the Fourth Proportional to 108,857.29, 150,223.06 and 61,110.60

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Solution

The fourth proportional to 108,857.29, 150,223.06 and 61,110.60 is: 84,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.29 : 150,223.06 = 61,110.60 : x
  2. Step 2: Convert to fraction form
    108,857.29/150,223.06 = 61,110.60/x
  3. Step 3: Cross multiply
    108,857.29x = 150,223.06 × 61,110.60
  4. Step 4: Simplify right side
    108,857.29x = 9,180,221,344.75
  5. Step 5: Solve for x
    x = 9,180,221,344.75/108,857.29
  6. Step 6: Final answer
    x = 84,332.63

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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.