Home / 150,742.84-207,965.90-90,316.02

Finding the Fourth Proportional to 150,742.84, 207,965.90 and 90,316.02

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Solution

The fourth proportional to 150,742.84, 207,965.90 and 90,316.02 is: 124,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,742.84 : 207,965.90 = 90,316.02 : x
  2. Step 2: Convert to fraction form
    150,742.84/207,965.90 = 90,316.02/x
  3. Step 3: Cross multiply
    150,742.84x = 207,965.90 × 90,316.02
  4. Step 4: Simplify right side
    150,742.84x = 18,782,652,383.72
  5. Step 5: Solve for x
    x = 18,782,652,383.72/150,742.84
  6. Step 6: Final answer
    x = 124,600.63

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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.