Home / 172,408.13-258,275.94-97,301.08

Finding the Fourth Proportional to 172,408.13, 258,275.94 and 97,301.08

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Solution

The fourth proportional to 172,408.13, 258,275.94 and 97,301.08 is: 145,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,408.13 : 258,275.94 = 97,301.08 : x
  2. Step 2: Convert to fraction form
    172,408.13/258,275.94 = 97,301.08/x
  3. Step 3: Cross multiply
    172,408.13x = 258,275.94 × 97,301.08
  4. Step 4: Simplify right side
    172,408.13x = 25,130,528,405.30
  5. Step 5: Solve for x
    x = 25,130,528,405.30/172,408.13
  6. Step 6: Final answer
    x = 145,761.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.