Home / 171,178.80-236,188.62-99,565.08

Finding the Fourth Proportional to 171,178.80, 236,188.62 and 99,565.08

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Solution

The fourth proportional to 171,178.80, 236,188.62 and 99,565.08 is: 137,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,178.80 : 236,188.62 = 99,565.08 : x
  2. Step 2: Convert to fraction form
    171,178.80/236,188.62 = 99,565.08/x
  3. Step 3: Cross multiply
    171,178.80x = 236,188.62 × 99,565.08
  4. Step 4: Simplify right side
    171,178.80x = 23,516,138,845.39
  5. Step 5: Solve for x
    x = 23,516,138,845.39/171,178.80
  6. Step 6: Final answer
    x = 137,377.64

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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.