Home / 178,242.71-245,882.94-120,862.62

Finding the Fourth Proportional to 178,242.71, 245,882.94 and 120,862.62

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Solution

The fourth proportional to 178,242.71, 245,882.94 and 120,862.62 is: 166,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,242.71 : 245,882.94 = 120,862.62 : x
  2. Step 2: Convert to fraction form
    178,242.71/245,882.94 = 120,862.62/x
  3. Step 3: Cross multiply
    178,242.71x = 245,882.94 × 120,862.62
  4. Step 4: Simplify right side
    178,242.71x = 29,718,056,341.70
  5. Step 5: Solve for x
    x = 29,718,056,341.70/178,242.71
  6. Step 6: Final answer
    x = 166,728.04

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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.