Home / 90,156.62-124,415.07-49,867.22

Finding the Fourth Proportional to 90,156.62, 124,415.07 and 49,867.22

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Solution

The fourth proportional to 90,156.62, 124,415.07 and 49,867.22 is: 68,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,156.62 : 124,415.07 = 49,867.22 : x
  2. Step 2: Convert to fraction form
    90,156.62/124,415.07 = 49,867.22/x
  3. Step 3: Cross multiply
    90,156.62x = 124,415.07 × 49,867.22
  4. Step 4: Simplify right side
    90,156.62x = 6,204,233,667.01
  5. Step 5: Solve for x
    x = 6,204,233,667.01/90,156.62
  6. Step 6: Final answer
    x = 68,816.17

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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.