Home / 170,763.90-256,175.55-70,869.30

Finding the Fourth Proportional to 170,763.90, 256,175.55 and 70,869.30

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Solution

The fourth proportional to 170,763.90, 256,175.55 and 70,869.30 is: 106,316.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,763.90 : 256,175.55 = 70,869.30 : x
  2. Step 2: Convert to fraction form
    170,763.90/256,175.55 = 70,869.30/x
  3. Step 3: Cross multiply
    170,763.90x = 256,175.55 × 70,869.30
  4. Step 4: Simplify right side
    170,763.90x = 18,154,981,905.62
  5. Step 5: Solve for x
    x = 18,154,981,905.62/170,763.90
  6. Step 6: Final answer
    x = 106,316.28

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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.