Home / 168,399.16-232,385.04-100,381.07

Finding the Fourth Proportional to 168,399.16, 232,385.04 and 100,381.07

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Solution

The fourth proportional to 168,399.16, 232,385.04 and 100,381.07 is: 138,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399.16 : 232,385.04 = 100,381.07 : x
  2. Step 2: Convert to fraction form
    168,399.16/232,385.04 = 100,381.07/x
  3. Step 3: Cross multiply
    168,399.16x = 232,385.04 × 100,381.07
  4. Step 4: Simplify right side
    168,399.16x = 23,327,059,548.16
  5. Step 5: Solve for x
    x = 23,327,059,548.16/168,399.16
  6. Step 6: Final answer
    x = 138,522.42

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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.