Home / 108,857.01-150,221.36-61,109.13

Finding the Fourth Proportional to 108,857.01, 150,221.36 and 61,109.13

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Solution

The fourth proportional to 108,857.01, 150,221.36 and 61,109.13 is: 84,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.01 : 150,221.36 = 61,109.13 : x
  2. Step 2: Convert to fraction form
    108,857.01/150,221.36 = 61,109.13/x
  3. Step 3: Cross multiply
    108,857.01x = 150,221.36 × 61,109.13
  4. Step 4: Simplify right side
    108,857.01x = 9,179,896,311.47
  5. Step 5: Solve for x
    x = 9,179,896,311.47/108,857.01
  6. Step 6: Final answer
    x = 84,329.86

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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.