Home / 166,418.06-229,656.93-90,966.56

Finding the Fourth Proportional to 166,418.06, 229,656.93 and 90,966.56

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Solution

The fourth proportional to 166,418.06, 229,656.93 and 90,966.56 is: 125,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,418.06 : 229,656.93 = 90,966.56 : x
  2. Step 2: Convert to fraction form
    166,418.06/229,656.93 = 90,966.56/x
  3. Step 3: Cross multiply
    166,418.06x = 229,656.93 × 90,966.56
  4. Step 4: Simplify right side
    166,418.06x = 20,891,101,476.40
  5. Step 5: Solve for x
    x = 20,891,101,476.40/166,418.06
  6. Step 6: Final answer
    x = 125,533.86

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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.