Home / 150,917.25-208,220.38-90,465.84

Finding the Fourth Proportional to 150,917.25, 208,220.38 and 90,465.84

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Solution

The fourth proportional to 150,917.25, 208,220.38 and 90,465.84 is: 124,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.25 : 208,220.38 = 90,465.84 : x
  2. Step 2: Convert to fraction form
    150,917.25/208,220.38 = 90,465.84/x
  3. Step 3: Cross multiply
    150,917.25x = 208,220.38 × 90,465.84
  4. Step 4: Simplify right side
    150,917.25x = 18,836,831,581.82
  5. Step 5: Solve for x
    x = 18,836,831,581.82/150,917.25
  6. Step 6: Final answer
    x = 124,815.63

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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.