Home / 158,936.10-219,278.32-90,016.17

Finding the Fourth Proportional to 158,936.10, 219,278.32 and 90,016.17

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Solution

The fourth proportional to 158,936.10, 219,278.32 and 90,016.17 is: 124,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,936.10 : 219,278.32 = 90,016.17 : x
  2. Step 2: Convert to fraction form
    158,936.10/219,278.32 = 90,016.17/x
  3. Step 3: Cross multiply
    158,936.10x = 219,278.32 × 90,016.17
  4. Step 4: Simplify right side
    158,936.10x = 19,738,594,530.43
  5. Step 5: Solve for x
    x = 19,738,594,530.43/158,936.10
  6. Step 6: Final answer
    x = 124,192.02

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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.