Home / 168,122.10-232,005.30-91,641.90

Finding the Fourth Proportional to 168,122.10, 232,005.30 and 91,641.90

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Solution

The fourth proportional to 168,122.10, 232,005.30 and 91,641.90 is: 126,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,122.10 : 232,005.30 = 91,641.90 : x
  2. Step 2: Convert to fraction form
    168,122.10/232,005.30 = 91,641.90/x
  3. Step 3: Cross multiply
    168,122.10x = 232,005.30 × 91,641.90
  4. Step 4: Simplify right side
    168,122.10x = 21,261,406,502.07
  5. Step 5: Solve for x
    x = 21,261,406,502.07/168,122.10
  6. Step 6: Final answer
    x = 126,464.08

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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.