Home / 100,239.63-150,341.27-40,265.69

Finding the Fourth Proportional to 100,239.63, 150,341.27 and 40,265.69

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Solution

The fourth proportional to 100,239.63, 150,341.27 and 40,265.69 is: 60,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,239.63 : 150,341.27 = 40,265.69 : x
  2. Step 2: Convert to fraction form
    100,239.63/150,341.27 = 40,265.69/x
  3. Step 3: Cross multiply
    100,239.63x = 150,341.27 × 40,265.69
  4. Step 4: Simplify right side
    100,239.63x = 6,053,594,018.99
  5. Step 5: Solve for x
    x = 6,053,594,018.99/100,239.63
  6. Step 6: Final answer
    x = 60,391.22

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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.