Home / 150,825.84-208,116.48-87,151.28

Finding the Fourth Proportional to 150,825.84, 208,116.48 and 87,151.28

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Solution

The fourth proportional to 150,825.84, 208,116.48 and 87,151.28 is: 120,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,825.84 : 208,116.48 = 87,151.28 : x
  2. Step 2: Convert to fraction form
    150,825.84/208,116.48 = 87,151.28/x
  3. Step 3: Cross multiply
    150,825.84x = 208,116.48 × 87,151.28
  4. Step 4: Simplify right side
    150,825.84x = 18,137,617,621.09
  5. Step 5: Solve for x
    x = 18,137,617,621.09/150,825.84
  6. Step 6: Final answer
    x = 120,255.37

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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.