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Finding the Fourth Proportional to 179,599, 247,869.12 and 103,142.08

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Solution

The fourth proportional to 179,599, 247,869.12 and 103,142.08 is: 142,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,599 : 247,869.12 = 103,142.08 : x
  2. Step 2: Convert to fraction form
    179,599/247,869.12 = 103,142.08/x
  3. Step 3: Cross multiply
    179,599x = 247,869.12 × 103,142.08
  4. Step 4: Simplify right side
    179,599x = 25,565,736,604.57
  5. Step 5: Solve for x
    x = 25,565,736,604.57/179,599
  6. Step 6: Final answer
    x = 142,348.99

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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.