Home / 106,153.13-159,230.27-31,274.20

Finding the Fourth Proportional to 106,153.13, 159,230.27 and 31,274.20

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Solution

The fourth proportional to 106,153.13, 159,230.27 and 31,274.20 is: 46,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,153.13 : 159,230.27 = 31,274.20 : x
  2. Step 2: Convert to fraction form
    106,153.13/159,230.27 = 31,274.20/x
  3. Step 3: Cross multiply
    106,153.13x = 159,230.27 × 31,274.20
  4. Step 4: Simplify right side
    106,153.13x = 4,979,799,310.03
  5. Step 5: Solve for x
    x = 4,979,799,310.03/106,153.13
  6. Step 6: Final answer
    x = 46,911.47

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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.