Home / 250,167.60-345,234.08-135,448.72

Finding the Fourth Proportional to 250,167.60, 345,234.08 and 135,448.72

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Solution

The fourth proportional to 250,167.60, 345,234.08 and 135,448.72 is: 186,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,167.60 : 345,234.08 = 135,448.72 : x
  2. Step 2: Convert to fraction form
    250,167.60/345,234.08 = 135,448.72/x
  3. Step 3: Cross multiply
    250,167.60x = 345,234.08 × 135,448.72
  4. Step 4: Simplify right side
    250,167.60x = 46,761,514,236.38
  5. Step 5: Solve for x
    x = 46,761,514,236.38/250,167.60
  6. Step 6: Final answer
    x = 186,920.75

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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.