Home / 150,705.36-207,964.85-90,262.17

Finding the Fourth Proportional to 150,705.36, 207,964.85 and 90,262.17

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Solution

The fourth proportional to 150,705.36, 207,964.85 and 90,262.17 is: 124,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,705.36 : 207,964.85 = 90,262.17 : x
  2. Step 2: Convert to fraction form
    150,705.36/207,964.85 = 90,262.17/x
  3. Step 3: Cross multiply
    150,705.36x = 207,964.85 × 90,262.17
  4. Step 4: Simplify right side
    150,705.36x = 18,771,358,193.41
  5. Step 5: Solve for x
    x = 18,771,358,193.41/150,705.36
  6. Step 6: Final answer
    x = 124,556.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.