Home / 150,212.25-207,272.25-89,770.05

Finding the Fourth Proportional to 150,212.25, 207,272.25 and 89,770.05

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Solution

The fourth proportional to 150,212.25, 207,272.25 and 89,770.05 is: 123,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,212.25 : 207,272.25 = 89,770.05 : x
  2. Step 2: Convert to fraction form
    150,212.25/207,272.25 = 89,770.05/x
  3. Step 3: Cross multiply
    150,212.25x = 207,272.25 × 89,770.05
  4. Step 4: Simplify right side
    150,212.25x = 18,606,840,246.11
  5. Step 5: Solve for x
    x = 18,606,840,246.11/150,212.25
  6. Step 6: Final answer
    x = 123,870.33

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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.