Home / 140,016.36-193,215.60-79,579.02

Finding the Fourth Proportional to 140,016.36, 193,215.60 and 79,579.02

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Solution

The fourth proportional to 140,016.36, 193,215.60 and 79,579.02 is: 109,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.36 : 193,215.60 = 79,579.02 : x
  2. Step 2: Convert to fraction form
    140,016.36/193,215.60 = 79,579.02/x
  3. Step 3: Cross multiply
    140,016.36x = 193,215.60 × 79,579.02
  4. Step 4: Simplify right side
    140,016.36x = 15,375,908,096.71
  5. Step 5: Solve for x
    x = 15,375,908,096.71/140,016.36
  6. Step 6: Final answer
    x = 109,815.08

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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.