Home / 100,148.81-150,223.21-40,204.96

Finding the Fourth Proportional to 100,148.81, 150,223.21 and 40,204.96

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Solution

The fourth proportional to 100,148.81, 150,223.21 and 40,204.96 is: 60,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.81 : 150,223.21 = 40,204.96 : x
  2. Step 2: Convert to fraction form
    100,148.81/150,223.21 = 40,204.96/x
  3. Step 3: Cross multiply
    100,148.81x = 150,223.21 × 40,204.96
  4. Step 4: Simplify right side
    100,148.81x = 6,039,717,673.05
  5. Step 5: Solve for x
    x = 6,039,717,673.05/100,148.81
  6. Step 6: Final answer
    x = 60,307.44

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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.