Home / 150,193.51-207,267.70-81,282.98

Finding the Fourth Proportional to 150,193.51, 207,267.70 and 81,282.98

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Solution

The fourth proportional to 150,193.51, 207,267.70 and 81,282.98 is: 112,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,193.51 : 207,267.70 = 81,282.98 : x
  2. Step 2: Convert to fraction form
    150,193.51/207,267.70 = 81,282.98/x
  3. Step 3: Cross multiply
    150,193.51x = 207,267.70 × 81,282.98
  4. Step 4: Simplify right side
    150,193.51x = 16,847,336,313.75
  5. Step 5: Solve for x
    x = 16,847,336,313.75/150,193.51
  6. Step 6: Final answer
    x = 112,170.87

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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.