Home / 172,909.65-238,610.56-96,431.07

Finding the Fourth Proportional to 172,909.65, 238,610.56 and 96,431.07

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Solution

The fourth proportional to 172,909.65, 238,610.56 and 96,431.07 is: 133,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,909.65 : 238,610.56 = 96,431.07 : x
  2. Step 2: Convert to fraction form
    172,909.65/238,610.56 = 96,431.07/x
  3. Step 3: Cross multiply
    172,909.65x = 238,610.56 × 96,431.07
  4. Step 4: Simplify right side
    172,909.65x = 23,009,471,614.10
  5. Step 5: Solve for x
    x = 23,009,471,614.10/172,909.65
  6. Step 6: Final answer
    x = 133,072.22

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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.