Home / 157,690.40-236,229.21-140,019.44

Finding the Fourth Proportional to 157,690.40, 236,229.21 and 140,019.44

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Solution

The fourth proportional to 157,690.40, 236,229.21 and 140,019.44 is: 209,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,690.40 : 236,229.21 = 140,019.44 : x
  2. Step 2: Convert to fraction form
    157,690.40/236,229.21 = 140,019.44/x
  3. Step 3: Cross multiply
    157,690.40x = 236,229.21 × 140,019.44
  4. Step 4: Simplify right side
    157,690.40x = 33,076,680,514.70
  5. Step 5: Solve for x
    x = 33,076,680,514.70/157,690.40
  6. Step 6: Final answer
    x = 209,757.10

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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.