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Finding the Fourth Proportional to 181,853.61, 250,965.77 and 101,281.13

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Solution

The fourth proportional to 181,853.61, 250,965.77 and 101,281.13 is: 139,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,853.61 : 250,965.77 = 101,281.13 : x
  2. Step 2: Convert to fraction form
    181,853.61/250,965.77 = 101,281.13/x
  3. Step 3: Cross multiply
    181,853.61x = 250,965.77 × 101,281.13
  4. Step 4: Simplify right side
    181,853.61x = 25,418,095,015.69
  5. Step 5: Solve for x
    x = 25,418,095,015.69/181,853.61
  6. Step 6: Final answer
    x = 139,772.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.