Home / 168,312.13-232,242.19-100,327.89

Finding the Fourth Proportional to 168,312.13, 232,242.19 and 100,327.89

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Solution

The fourth proportional to 168,312.13, 232,242.19 and 100,327.89 is: 138,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,312.13 : 232,242.19 = 100,327.89 : x
  2. Step 2: Convert to fraction form
    168,312.13/232,242.19 = 100,327.89/x
  3. Step 3: Cross multiply
    168,312.13x = 232,242.19 × 100,327.89
  4. Step 4: Simplify right side
    168,312.13x = 23,300,368,891.68
  5. Step 5: Solve for x
    x = 23,300,368,891.68/168,312.13
  6. Step 6: Final answer
    x = 138,435.47

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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.