Home / 150,916.12-208,218.84-90,464.71

Finding the Fourth Proportional to 150,916.12, 208,218.84 and 90,464.71

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Solution

The fourth proportional to 150,916.12, 208,218.84 and 90,464.71 is: 124,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,916.12 : 208,218.84 = 90,464.71 : x
  2. Step 2: Convert to fraction form
    150,916.12/208,218.84 = 90,464.71/x
  3. Step 3: Cross multiply
    150,916.12x = 208,218.84 × 90,464.71
  4. Step 4: Simplify right side
    150,916.12x = 18,836,456,977.14
  5. Step 5: Solve for x
    x = 18,836,456,977.14/150,916.12
  6. Step 6: Final answer
    x = 124,814.08

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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.