Home / 179,510.92-268,971.12-142,310.08

Finding the Fourth Proportional to 179,510.92, 268,971.12 and 142,310.08

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Solution

The fourth proportional to 179,510.92, 268,971.12 and 142,310.08 is: 213,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,510.92 : 268,971.12 = 142,310.08 : x
  2. Step 2: Convert to fraction form
    179,510.92/268,971.12 = 142,310.08/x
  3. Step 3: Cross multiply
    179,510.92x = 268,971.12 × 142,310.08
  4. Step 4: Simplify right side
    179,510.92x = 38,277,301,604.89
  5. Step 5: Solve for x
    x = 38,277,301,604.89/179,510.92
  6. Step 6: Final answer
    x = 213,231.05

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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.