Home / 146,121.24-201,645.32-81,591.47

Finding the Fourth Proportional to 146,121.24, 201,645.32 and 81,591.47

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Solution

The fourth proportional to 146,121.24, 201,645.32 and 81,591.47 is: 112,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,121.24 : 201,645.32 = 81,591.47 : x
  2. Step 2: Convert to fraction form
    146,121.24/201,645.32 = 81,591.47/x
  3. Step 3: Cross multiply
    146,121.24x = 201,645.32 × 81,591.47
  4. Step 4: Simplify right side
    146,121.24x = 16,452,538,077.42
  5. Step 5: Solve for x
    x = 16,452,538,077.42/146,121.24
  6. Step 6: Final answer
    x = 112,595.12

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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.