Home / 178,965.65-268,442.29-45,847.21

Finding the Fourth Proportional to 178,965.65, 268,442.29 and 45,847.21

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Solution

The fourth proportional to 178,965.65, 268,442.29 and 45,847.21 is: 68,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,965.65 : 268,442.29 = 45,847.21 : x
  2. Step 2: Convert to fraction form
    178,965.65/268,442.29 = 45,847.21/x
  3. Step 3: Cross multiply
    178,965.65x = 268,442.29 × 45,847.21
  4. Step 4: Simplify right side
    178,965.65x = 12,307,330,042.51
  5. Step 5: Solve for x
    x = 12,307,330,042.51/178,965.65
  6. Step 6: Final answer
    x = 68,769.23

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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.