Home / 101,223.36-151,836.84-31,103.28

Finding the Fourth Proportional to 101,223.36, 151,836.84 and 31,103.28

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Solution

The fourth proportional to 101,223.36, 151,836.84 and 31,103.28 is: 46,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,223.36 : 151,836.84 = 31,103.28 : x
  2. Step 2: Convert to fraction form
    101,223.36/151,836.84 = 31,103.28/x
  3. Step 3: Cross multiply
    101,223.36x = 151,836.84 × 31,103.28
  4. Step 4: Simplify right side
    101,223.36x = 4,722,623,748.84
  5. Step 5: Solve for x
    x = 4,722,623,748.84/101,223.36
  6. Step 6: Final answer
    x = 46,655.47

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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.