Home / 172,145.59-258,197.83-45,795.11

Finding the Fourth Proportional to 172,145.59, 258,197.83 and 45,795.11

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Solution

The fourth proportional to 172,145.59, 258,197.83 and 45,795.11 is: 68,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,145.59 : 258,197.83 = 45,795.11 : x
  2. Step 2: Convert to fraction form
    172,145.59/258,197.83 = 45,795.11/x
  3. Step 3: Cross multiply
    172,145.59x = 258,197.83 × 45,795.11
  4. Step 4: Simplify right side
    172,145.59x = 11,824,196,621.13
  5. Step 5: Solve for x
    x = 11,824,196,621.13/172,145.59
  6. Step 6: Final answer
    x = 68,687.19

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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.