Home / 131,767.85-181,844.81-74,419.25

Finding the Fourth Proportional to 131,767.85, 181,844.81 and 74,419.25

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Solution

The fourth proportional to 131,767.85, 181,844.81 and 74,419.25 is: 102,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,767.85 : 181,844.81 = 74,419.25 : x
  2. Step 2: Convert to fraction form
    131,767.85/181,844.81 = 74,419.25/x
  3. Step 3: Cross multiply
    131,767.85x = 181,844.81 × 74,419.25
  4. Step 4: Simplify right side
    131,767.85x = 13,532,753,467.37
  5. Step 5: Solve for x
    x = 13,532,753,467.37/131,767.85
  6. Step 6: Final answer
    x = 102,701.48

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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.