Home / 105,399.66-158,161.74-38,886.24

Finding the Fourth Proportional to 105,399.66, 158,161.74 and 38,886.24

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Solution

The fourth proportional to 105,399.66, 158,161.74 and 38,886.24 is: 58,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,399.66 : 158,161.74 = 38,886.24 : x
  2. Step 2: Convert to fraction form
    105,399.66/158,161.74 = 38,886.24/x
  3. Step 3: Cross multiply
    105,399.66x = 158,161.74 × 38,886.24
  4. Step 4: Simplify right side
    105,399.66x = 6,150,315,380.46
  5. Step 5: Solve for x
    x = 6,150,315,380.46/105,399.66
  6. Step 6: Final answer
    x = 58,352.33

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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.