Home / 100,011.26-150,090.71-47,420.94

Finding the Fourth Proportional to 100,011.26, 150,090.71 and 47,420.94

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Solution

The fourth proportional to 100,011.26, 150,090.71 and 47,420.94 is: 71,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011.26 : 150,090.71 = 47,420.94 : x
  2. Step 2: Convert to fraction form
    100,011.26/150,090.71 = 47,420.94/x
  3. Step 3: Cross multiply
    100,011.26x = 150,090.71 × 47,420.94
  4. Step 4: Simplify right side
    100,011.26x = 7,117,442,553.47
  5. Step 5: Solve for x
    x = 7,117,442,553.47/100,011.26
  6. Step 6: Final answer
    x = 71,166.41

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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.