Home / 113,787.69-169,816.30-101,176.66

Finding the Fourth Proportional to 113,787.69, 169,816.30 and 101,176.66

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Solution

The fourth proportional to 113,787.69, 169,816.30 and 101,176.66 is: 150,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.69 : 169,816.30 = 101,176.66 : x
  2. Step 2: Convert to fraction form
    113,787.69/169,816.30 = 101,176.66/x
  3. Step 3: Cross multiply
    113,787.69x = 169,816.30 × 101,176.66
  4. Step 4: Simplify right side
    113,787.69x = 17,181,446,047.56
  5. Step 5: Solve for x
    x = 17,181,446,047.56/113,787.69
  6. Step 6: Final answer
    x = 150,995.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.