Home / 150,988.25-208,376.75-83,933.21

Finding the Fourth Proportional to 150,988.25, 208,376.75 and 83,933.21

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Solution

The fourth proportional to 150,988.25, 208,376.75 and 83,933.21 is: 115,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,988.25 : 208,376.75 = 83,933.21 : x
  2. Step 2: Convert to fraction form
    150,988.25/208,376.75 = 83,933.21/x
  3. Step 3: Cross multiply
    150,988.25x = 208,376.75 × 83,933.21
  4. Step 4: Simplify right side
    150,988.25x = 17,489,729,097.20
  5. Step 5: Solve for x
    x = 17,489,729,097.20/150,988.25
  6. Step 6: Final answer
    x = 115,835.03

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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.