Home / 150,180.75-225,316.08-86,986.17

Finding the Fourth Proportional to 150,180.75, 225,316.08 and 86,986.17

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Solution

The fourth proportional to 150,180.75, 225,316.08 and 86,986.17 is: 130,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,180.75 : 225,316.08 = 86,986.17 : x
  2. Step 2: Convert to fraction form
    150,180.75/225,316.08 = 86,986.17/x
  3. Step 3: Cross multiply
    150,180.75x = 225,316.08 × 86,986.17
  4. Step 4: Simplify right side
    150,180.75x = 19,599,382,838.61
  5. Step 5: Solve for x
    x = 19,599,382,838.61/150,180.75
  6. Step 6: Final answer
    x = 130,505.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.