Home / 104,912.56-144,780.12-57,167.20

Finding the Fourth Proportional to 104,912.56, 144,780.12 and 57,167.20

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Solution

The fourth proportional to 104,912.56, 144,780.12 and 57,167.20 is: 78,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.56 : 144,780.12 = 57,167.20 : x
  2. Step 2: Convert to fraction form
    104,912.56/144,780.12 = 57,167.20/x
  3. Step 3: Cross multiply
    104,912.56x = 144,780.12 × 57,167.20
  4. Step 4: Simplify right side
    104,912.56x = 8,276,674,076.06
  5. Step 5: Solve for x
    x = 8,276,674,076.06/104,912.56
  6. Step 6: Final answer
    x = 78,891.16

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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.