Home / 143,257.06-197,691.19-79,595.01

Finding the Fourth Proportional to 143,257.06, 197,691.19 and 79,595.01

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Solution

The fourth proportional to 143,257.06, 197,691.19 and 79,595.01 is: 109,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.06 : 197,691.19 = 79,595.01 : x
  2. Step 2: Convert to fraction form
    143,257.06/197,691.19 = 79,595.01/x
  3. Step 3: Cross multiply
    143,257.06x = 197,691.19 × 79,595.01
  4. Step 4: Simplify right side
    143,257.06x = 15,735,232,244.96
  5. Step 5: Solve for x
    x = 15,735,232,244.96/143,257.06
  6. Step 6: Final answer
    x = 109,839.14

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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.