Home / 172,904.12-238,614.36-97,451

Finding the Fourth Proportional to 172,904.12, 238,614.36 and 97,451

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Solution

The fourth proportional to 172,904.12, 238,614.36 and 97,451 is: 134,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,904.12 : 238,614.36 = 97,451 : x
  2. Step 2: Convert to fraction form
    172,904.12/238,614.36 = 97,451/x
  3. Step 3: Cross multiply
    172,904.12x = 238,614.36 × 97,451
  4. Step 4: Simplify right side
    172,904.12x = 23,253,207,996.36
  5. Step 5: Solve for x
    x = 23,253,207,996.36/172,904.12
  6. Step 6: Final answer
    x = 134,486.14

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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.