Home / 87,463.51-131,214.36-28,305.16

Finding the Fourth Proportional to 87,463.51, 131,214.36 and 28,305.16

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Solution

The fourth proportional to 87,463.51, 131,214.36 and 28,305.16 is: 42,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.51 : 131,214.36 = 28,305.16 : x
  2. Step 2: Convert to fraction form
    87,463.51/131,214.36 = 28,305.16/x
  3. Step 3: Cross multiply
    87,463.51x = 131,214.36 × 28,305.16
  4. Step 4: Simplify right side
    87,463.51x = 3,714,043,454.10
  5. Step 5: Solve for x
    x = 3,714,043,454.10/87,463.51
  6. Step 6: Final answer
    x = 42,463.92

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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.