Home / 172,984.10-259,670.55-133,715.30

Finding the Fourth Proportional to 172,984.10, 259,670.55 and 133,715.30

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Solution

The fourth proportional to 172,984.10, 259,670.55 and 133,715.30 is: 200,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,984.10 : 259,670.55 = 133,715.30 : x
  2. Step 2: Convert to fraction form
    172,984.10/259,670.55 = 133,715.30/x
  3. Step 3: Cross multiply
    172,984.10x = 259,670.55 × 133,715.30
  4. Step 4: Simplify right side
    172,984.10x = 34,721,925,494.42
  5. Step 5: Solve for x
    x = 34,721,925,494.42/172,984.10
  6. Step 6: Final answer
    x = 200,723.22

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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.