Home / 100,439.67-150,659.46-38,110.17

Finding the Fourth Proportional to 100,439.67, 150,659.46 and 38,110.17

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Solution

The fourth proportional to 100,439.67, 150,659.46 and 38,110.17 is: 57,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,439.67 : 150,659.46 = 38,110.17 : x
  2. Step 2: Convert to fraction form
    100,439.67/150,659.46 = 38,110.17/x
  3. Step 3: Cross multiply
    100,439.67x = 150,659.46 × 38,110.17
  4. Step 4: Simplify right side
    100,439.67x = 5,741,657,632.71
  5. Step 5: Solve for x
    x = 5,741,657,632.71/100,439.67
  6. Step 6: Final answer
    x = 57,165.24

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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.