Home / 84,126.65-126,214.40-27,199.33

Finding the Fourth Proportional to 84,126.65, 126,214.40 and 27,199.33

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Solution

The fourth proportional to 84,126.65, 126,214.40 and 27,199.33 is: 40,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,126.65 : 126,214.40 = 27,199.33 : x
  2. Step 2: Convert to fraction form
    84,126.65/126,214.40 = 27,199.33/x
  3. Step 3: Cross multiply
    84,126.65x = 126,214.40 × 27,199.33
  4. Step 4: Simplify right side
    84,126.65x = 3,432,947,116.35
  5. Step 5: Solve for x
    x = 3,432,947,116.35/84,126.65
  6. Step 6: Final answer
    x = 40,806.89

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1.5x scale

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.