Home / 142,778.70-214,168.53-36,162.62

Finding the Fourth Proportional to 142,778.70, 214,168.53 and 36,162.62

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Solution

The fourth proportional to 142,778.70, 214,168.53 and 36,162.62 is: 54,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,778.70 : 214,168.53 = 36,162.62 : x
  2. Step 2: Convert to fraction form
    142,778.70/214,168.53 = 36,162.62/x
  3. Step 3: Cross multiply
    142,778.70x = 214,168.53 × 36,162.62
  4. Step 4: Simplify right side
    142,778.70x = 7,744,894,095.51
  5. Step 5: Solve for x
    x = 7,744,894,095.51/142,778.70
  6. Step 6: Final answer
    x = 54,244.04

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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.