Home / 166,170.13-229,313.60-90,718.63

Finding the Fourth Proportional to 166,170.13, 229,313.60 and 90,718.63

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Solution

The fourth proportional to 166,170.13, 229,313.60 and 90,718.63 is: 125,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,170.13 : 229,313.60 = 90,718.63 : x
  2. Step 2: Convert to fraction form
    166,170.13/229,313.60 = 90,718.63/x
  3. Step 3: Cross multiply
    166,170.13x = 229,313.60 × 90,718.63
  4. Step 4: Simplify right side
    166,170.13x = 20,803,014,605.49
  5. Step 5: Solve for x
    x = 20,803,014,605.49/166,170.13
  6. Step 6: Final answer
    x = 125,191.06

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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.