Home / 101,267.21-151,903.24-31,147.13

Finding the Fourth Proportional to 101,267.21, 151,903.24 and 31,147.13

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Solution

The fourth proportional to 101,267.21, 151,903.24 and 31,147.13 is: 46,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267.21 : 151,903.24 = 31,147.13 : x
  2. Step 2: Convert to fraction form
    101,267.21/151,903.24 = 31,147.13/x
  3. Step 3: Cross multiply
    101,267.21x = 151,903.24 × 31,147.13
  4. Step 4: Simplify right side
    101,267.21x = 4,731,349,963.70
  5. Step 5: Solve for x
    x = 4,731,349,963.70/101,267.21
  6. Step 6: Final answer
    x = 46,721.44

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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.