Home / 101,244.76-151,863.36-31,122.25

Finding the Fourth Proportional to 101,244.76, 151,863.36 and 31,122.25

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Solution

The fourth proportional to 101,244.76, 151,863.36 and 31,122.25 is: 46,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.76 : 151,863.36 = 31,122.25 : x
  2. Step 2: Convert to fraction form
    101,244.76/151,863.36 = 31,122.25/x
  3. Step 3: Cross multiply
    101,244.76x = 151,863.36 × 31,122.25
  4. Step 4: Simplify right side
    101,244.76x = 4,726,329,455.76
  5. Step 5: Solve for x
    x = 4,726,329,455.76/101,244.76
  6. Step 6: Final answer
    x = 46,682.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.