Home / 101,244.26-151,862.60-31,121.76

Finding the Fourth Proportional to 101,244.26, 151,862.60 and 31,121.76

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Solution

The fourth proportional to 101,244.26, 151,862.60 and 31,121.76 is: 46,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.26 : 151,862.60 = 31,121.76 : x
  2. Step 2: Convert to fraction form
    101,244.26/151,862.60 = 31,121.76/x
  3. Step 3: Cross multiply
    101,244.26x = 151,862.60 × 31,121.76
  4. Step 4: Simplify right side
    101,244.26x = 4,726,231,390.18
  5. Step 5: Solve for x
    x = 4,726,231,390.18/101,244.26
  6. Step 6: Final answer
    x = 46,681.47

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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.