Home / 176,542.13-243,623.03-100,068.28

Finding the Fourth Proportional to 176,542.13, 243,623.03 and 100,068.28

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Solution

The fourth proportional to 176,542.13, 243,623.03 and 100,068.28 is: 138,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,542.13 : 243,623.03 = 100,068.28 : x
  2. Step 2: Convert to fraction form
    176,542.13/243,623.03 = 100,068.28/x
  3. Step 3: Cross multiply
    176,542.13x = 243,623.03 × 100,068.28
  4. Step 4: Simplify right side
    176,542.13x = 24,378,936,471.09
  5. Step 5: Solve for x
    x = 24,378,936,471.09/176,542.13
  6. Step 6: Final answer
    x = 138,091.32

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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.