Home / 150,172.76-225,258.96-69,111.62

Finding the Fourth Proportional to 150,172.76, 225,258.96 and 69,111.62

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Solution

The fourth proportional to 150,172.76, 225,258.96 and 69,111.62 is: 103,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,172.76 : 225,258.96 = 69,111.62 : x
  2. Step 2: Convert to fraction form
    150,172.76/225,258.96 = 69,111.62/x
  3. Step 3: Cross multiply
    150,172.76x = 225,258.96 × 69,111.62
  4. Step 4: Simplify right side
    150,172.76x = 15,568,011,645.12
  5. Step 5: Solve for x
    x = 15,568,011,645.12/150,172.76
  6. Step 6: Final answer
    x = 103,667.35

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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.