Home / 102,756.22-153,891.60-71,048.23

Finding the Fourth Proportional to 102,756.22, 153,891.60 and 71,048.23

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Solution

The fourth proportional to 102,756.22, 153,891.60 and 71,048.23 is: 106,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,756.22 : 153,891.60 = 71,048.23 : x
  2. Step 2: Convert to fraction form
    102,756.22/153,891.60 = 71,048.23/x
  3. Step 3: Cross multiply
    102,756.22x = 153,891.60 × 71,048.23
  4. Step 4: Simplify right side
    102,756.22x = 10,933,725,791.87
  5. Step 5: Solve for x
    x = 10,933,725,791.87/102,756.22
  6. Step 6: Final answer
    x = 106,404.52

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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.