Home / 172,857.38-238,543.18-97,408.58

Finding the Fourth Proportional to 172,857.38, 238,543.18 and 97,408.58

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Solution

The fourth proportional to 172,857.38, 238,543.18 and 97,408.58 is: 134,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,857.38 : 238,543.18 = 97,408.58 : x
  2. Step 2: Convert to fraction form
    172,857.38/238,543.18 = 97,408.58/x
  3. Step 3: Cross multiply
    172,857.38x = 238,543.18 × 97,408.58
  4. Step 4: Simplify right side
    172,857.38x = 23,236,152,432.48
  5. Step 5: Solve for x
    x = 23,236,152,432.48/172,857.38
  6. Step 6: Final answer
    x = 134,423.84

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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.