Home / 146,437.52-202,081.37-81,908.26

Finding the Fourth Proportional to 146,437.52, 202,081.37 and 81,908.26

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Solution

The fourth proportional to 146,437.52, 202,081.37 and 81,908.26 is: 113,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,437.52 : 202,081.37 = 81,908.26 : x
  2. Step 2: Convert to fraction form
    146,437.52/202,081.37 = 81,908.26/x
  3. Step 3: Cross multiply
    146,437.52x = 202,081.37 × 81,908.26
  4. Step 4: Simplify right side
    146,437.52x = 16,552,132,480.37
  5. Step 5: Solve for x
    x = 16,552,132,480.37/146,437.52
  6. Step 6: Final answer
    x = 113,032.05

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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.