Home / 172,938.25-238,658.43-97,486.75

Finding the Fourth Proportional to 172,938.25, 238,658.43 and 97,486.75

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Solution

The fourth proportional to 172,938.25, 238,658.43 and 97,486.75 is: 134,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,938.25 : 238,658.43 = 97,486.75 : x
  2. Step 2: Convert to fraction form
    172,938.25/238,658.43 = 97,486.75/x
  3. Step 3: Cross multiply
    172,938.25x = 238,658.43 × 97,486.75
  4. Step 4: Simplify right side
    172,938.25x = 23,266,034,700.80
  5. Step 5: Solve for x
    x = 23,266,034,700.80/172,938.25
  6. Step 6: Final answer
    x = 134,533.77

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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.