Home / 144,755.23-199,714.36-87,372.75

Finding the Fourth Proportional to 144,755.23, 199,714.36 and 87,372.75

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Solution

The fourth proportional to 144,755.23, 199,714.36 and 87,372.75 is: 120,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,755.23 : 199,714.36 = 87,372.75 : x
  2. Step 2: Convert to fraction form
    144,755.23/199,714.36 = 87,372.75/x
  3. Step 3: Cross multiply
    144,755.23x = 199,714.36 × 87,372.75
  4. Step 4: Simplify right side
    144,755.23x = 17,449,592,847.69
  5. Step 5: Solve for x
    x = 17,449,592,847.69/144,755.23
  6. Step 6: Final answer
    x = 120,545.51

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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.