Home / 172,719.24-259,088.13-54,399.84

Finding the Fourth Proportional to 172,719.24, 259,088.13 and 54,399.84

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Solution

The fourth proportional to 172,719.24, 259,088.13 and 54,399.84 is: 81,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,719.24 : 259,088.13 = 54,399.84 : x
  2. Step 2: Convert to fraction form
    172,719.24/259,088.13 = 54,399.84/x
  3. Step 3: Cross multiply
    172,719.24x = 259,088.13 × 54,399.84
  4. Step 4: Simplify right side
    172,719.24x = 14,094,352,817.90
  5. Step 5: Solve for x
    x = 14,094,352,817.90/172,719.24
  6. Step 6: Final answer
    x = 81,602.68

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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.