Home / 113,910.17-170,901.82-54,750.13

Finding the Fourth Proportional to 113,910.17, 170,901.82 and 54,750.13

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Solution

The fourth proportional to 113,910.17, 170,901.82 and 54,750.13 is: 82,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910.17 : 170,901.82 = 54,750.13 : x
  2. Step 2: Convert to fraction form
    113,910.17/170,901.82 = 54,750.13/x
  3. Step 3: Cross multiply
    113,910.17x = 170,901.82 × 54,750.13
  4. Step 4: Simplify right side
    113,910.17x = 9,356,896,588.49
  5. Step 5: Solve for x
    x = 9,356,896,588.49/113,910.17
  6. Step 6: Final answer
    x = 82,142.77

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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.