Home / 100,147.35-150,211.29-26,275.35

Finding the Fourth Proportional to 100,147.35, 150,211.29 and 26,275.35

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Solution

The fourth proportional to 100,147.35, 150,211.29 and 26,275.35 is: 39,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,147.35 : 150,211.29 = 26,275.35 : x
  2. Step 2: Convert to fraction form
    100,147.35/150,211.29 = 26,275.35/x
  3. Step 3: Cross multiply
    100,147.35x = 150,211.29 × 26,275.35
  4. Step 4: Simplify right side
    100,147.35x = 3,946,854,218.70
  5. Step 5: Solve for x
    x = 3,946,854,218.70/100,147.35
  6. Step 6: Final answer
    x = 39,410.47

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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.