Home / 106,301.12-159,479.24-31,418.24

Finding the Fourth Proportional to 106,301.12, 159,479.24 and 31,418.24

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Solution

The fourth proportional to 106,301.12, 159,479.24 and 31,418.24 is: 47,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,301.12 : 159,479.24 = 31,418.24 : x
  2. Step 2: Convert to fraction form
    106,301.12/159,479.24 = 31,418.24/x
  3. Step 3: Cross multiply
    106,301.12x = 159,479.24 × 31,418.24
  4. Step 4: Simplify right side
    106,301.12x = 5,010,557,037.34
  5. Step 5: Solve for x
    x = 5,010,557,037.34/106,301.12
  6. Step 6: Final answer
    x = 47,135.51

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1.5x scale

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.