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Finding the Fourth Proportional to 176,069.36, 242,979.03 and 108,052.29

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Solution

The fourth proportional to 176,069.36, 242,979.03 and 108,052.29 is: 149,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,069.36 : 242,979.03 = 108,052.29 : x
  2. Step 2: Convert to fraction form
    176,069.36/242,979.03 = 108,052.29/x
  3. Step 3: Cross multiply
    176,069.36x = 242,979.03 × 108,052.29
  4. Step 4: Simplify right side
    176,069.36x = 26,254,440,613.48
  5. Step 5: Solve for x
    x = 26,254,440,613.48/176,069.36
  6. Step 6: Final answer
    x = 149,114.19

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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.