Home / 172,330.60-258,690.30-133,061.80

Finding the Fourth Proportional to 172,330.60, 258,690.30 and 133,061.80

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Solution

The fourth proportional to 172,330.60, 258,690.30 and 133,061.80 is: 199,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,330.60 : 258,690.30 = 133,061.80 : x
  2. Step 2: Convert to fraction form
    172,330.60/258,690.30 = 133,061.80/x
  3. Step 3: Cross multiply
    172,330.60x = 258,690.30 × 133,061.80
  4. Step 4: Simplify right side
    172,330.60x = 34,421,796,960.54
  5. Step 5: Solve for x
    x = 34,421,796,960.54/172,330.60
  6. Step 6: Final answer
    x = 199,742.80

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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.