Home / 106,789.36-160,159.20-40,236.16

Finding the Fourth Proportional to 106,789.36, 160,159.20 and 40,236.16

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Solution

The fourth proportional to 106,789.36, 160,159.20 and 40,236.16 is: 60,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,789.36 : 160,159.20 = 40,236.16 : x
  2. Step 2: Convert to fraction form
    106,789.36/160,159.20 = 40,236.16/x
  3. Step 3: Cross multiply
    106,789.36x = 160,159.20 × 40,236.16
  4. Step 4: Simplify right side
    106,789.36x = 6,444,191,196.67
  5. Step 5: Solve for x
    x = 6,444,191,196.67/106,789.36
  6. Step 6: Final answer
    x = 60,344.88

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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.