Home / 162,720.06-244,116.89-87,838.59

Finding the Fourth Proportional to 162,720.06, 244,116.89 and 87,838.59

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Solution

The fourth proportional to 162,720.06, 244,116.89 and 87,838.59 is: 131,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,720.06 : 244,116.89 = 87,838.59 : x
  2. Step 2: Convert to fraction form
    162,720.06/244,116.89 = 87,838.59/x
  3. Step 3: Cross multiply
    162,720.06x = 244,116.89 × 87,838.59
  4. Step 4: Simplify right side
    162,720.06x = 21,442,884,218.43
  5. Step 5: Solve for x
    x = 21,442,884,218.43/162,720.06
  6. Step 6: Final answer
    x = 131,777.76

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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.