Home / 230,683.40-318,288.66-130,061.96

Finding the Fourth Proportional to 230,683.40, 318,288.66 and 130,061.96

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Solution

The fourth proportional to 230,683.40, 318,288.66 and 130,061.96 is: 179,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,683.40 : 318,288.66 = 130,061.96 : x
  2. Step 2: Convert to fraction form
    230,683.40/318,288.66 = 130,061.96/x
  3. Step 3: Cross multiply
    230,683.40x = 318,288.66 × 130,061.96
  4. Step 4: Simplify right side
    230,683.40x = 41,397,246,965.37
  5. Step 5: Solve for x
    x = 41,397,246,965.37/230,683.40
  6. Step 6: Final answer
    x = 179,454.82

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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.