Home / 167,189.32-250,590.78-77,043.55

Finding the Fourth Proportional to 167,189.32, 250,590.78 and 77,043.55

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Solution

The fourth proportional to 167,189.32, 250,590.78 and 77,043.55 is: 115,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,189.32 : 250,590.78 = 77,043.55 : x
  2. Step 2: Convert to fraction form
    167,189.32/250,590.78 = 77,043.55/x
  3. Step 3: Cross multiply
    167,189.32x = 250,590.78 × 77,043.55
  4. Step 4: Simplify right side
    167,189.32x = 19,306,403,288.47
  5. Step 5: Solve for x
    x = 19,306,403,288.47/167,189.32
  6. Step 6: Final answer
    x = 115,476.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.