Home / 162,341.09-224,035.52-90,721.32

Finding the Fourth Proportional to 162,341.09, 224,035.52 and 90,721.32

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Solution

The fourth proportional to 162,341.09, 224,035.52 and 90,721.32 is: 125,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.09 : 224,035.52 = 90,721.32 : x
  2. Step 2: Convert to fraction form
    162,341.09/224,035.52 = 90,721.32/x
  3. Step 3: Cross multiply
    162,341.09x = 224,035.52 × 90,721.32
  4. Step 4: Simplify right side
    162,341.09x = 20,324,797,317.85
  5. Step 5: Solve for x
    x = 20,324,797,317.85/162,341.09
  6. Step 6: Final answer
    x = 125,198.11

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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.