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Finding the Fourth Proportional to 179,641.52, 247,894.80 and 103,142.96

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Solution

The fourth proportional to 179,641.52, 247,894.80 and 103,142.96 is: 142,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,641.52 : 247,894.80 = 103,142.96 : x
  2. Step 2: Convert to fraction form
    179,641.52/247,894.80 = 103,142.96/x
  3. Step 3: Cross multiply
    179,641.52x = 247,894.80 × 103,142.96
  4. Step 4: Simplify right side
    179,641.52x = 25,568,603,440.61
  5. Step 5: Solve for x
    x = 25,568,603,440.61/179,641.52
  6. Step 6: Final answer
    x = 142,331.26

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1.5x scale

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.