Home / 162,216.76-243,377.28-77,983.04

Finding the Fourth Proportional to 162,216.76, 243,377.28 and 77,983.04

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Solution

The fourth proportional to 162,216.76, 243,377.28 and 77,983.04 is: 116,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,216.76 : 243,377.28 = 77,983.04 : x
  2. Step 2: Convert to fraction form
    162,216.76/243,377.28 = 77,983.04/x
  3. Step 3: Cross multiply
    162,216.76x = 243,377.28 × 77,983.04
  4. Step 4: Simplify right side
    162,216.76x = 18,979,300,161.33
  5. Step 5: Solve for x
    x = 18,979,300,161.33/162,216.76
  6. Step 6: Final answer
    x = 116,999.63

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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.