Home / 166,643.98-229,967.76-90,162.88

Finding the Fourth Proportional to 166,643.98, 229,967.76 and 90,162.88

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Solution

The fourth proportional to 166,643.98, 229,967.76 and 90,162.88 is: 124,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,643.98 : 229,967.76 = 90,162.88 : x
  2. Step 2: Convert to fraction form
    166,643.98/229,967.76 = 90,162.88/x
  3. Step 3: Cross multiply
    166,643.98x = 229,967.76 × 90,162.88
  4. Step 4: Simplify right side
    166,643.98x = 20,734,555,548.75
  5. Step 5: Solve for x
    x = 20,734,555,548.75/166,643.98
  6. Step 6: Final answer
    x = 124,424.27

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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.