Home / 181,143.12-271,710.36-56,480.88

Finding the Fourth Proportional to 181,143.12, 271,710.36 and 56,480.88

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Solution

The fourth proportional to 181,143.12, 271,710.36 and 56,480.88 is: 84,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,143.12 : 271,710.36 = 56,480.88 : x
  2. Step 2: Convert to fraction form
    181,143.12/271,710.36 = 56,480.88/x
  3. Step 3: Cross multiply
    181,143.12x = 271,710.36 × 56,480.88
  4. Step 4: Simplify right side
    181,143.12x = 15,346,440,237.92
  5. Step 5: Solve for x
    x = 15,346,440,237.92/181,143.12
  6. Step 6: Final answer
    x = 84,719.97

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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.