Home / 84,160.08-126,151.49-27,985.10

Finding the Fourth Proportional to 84,160.08, 126,151.49 and 27,985.10

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Solution

The fourth proportional to 84,160.08, 126,151.49 and 27,985.10 is: 41,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,160.08 : 126,151.49 = 27,985.10 : x
  2. Step 2: Convert to fraction form
    84,160.08/126,151.49 = 27,985.10/x
  3. Step 3: Cross multiply
    84,160.08x = 126,151.49 × 27,985.10
  4. Step 4: Simplify right side
    84,160.08x = 3,530,361,502.00
  5. Step 5: Solve for x
    x = 3,530,361,502.00/84,160.08
  6. Step 6: Final answer
    x = 41,948.17

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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.