Home / 150,989.75-208,378.82-83,934.71

Finding the Fourth Proportional to 150,989.75, 208,378.82 and 83,934.71

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Solution

The fourth proportional to 150,989.75, 208,378.82 and 83,934.71 is: 115,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,989.75 : 208,378.82 = 83,934.71 : x
  2. Step 2: Convert to fraction form
    150,989.75/208,378.82 = 83,934.71/x
  3. Step 3: Cross multiply
    150,989.75x = 208,378.82 × 83,934.71
  4. Step 4: Simplify right side
    150,989.75x = 17,490,215,826.84
  5. Step 5: Solve for x
    x = 17,490,215,826.84/150,989.75
  6. Step 6: Final answer
    x = 115,837.11

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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.