Home / 166,901.70-230,322.84-90,419.04

Finding the Fourth Proportional to 166,901.70, 230,322.84 and 90,419.04

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Solution

The fourth proportional to 166,901.70, 230,322.84 and 90,419.04 is: 124,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,901.70 : 230,322.84 = 90,419.04 : x
  2. Step 2: Convert to fraction form
    166,901.70/230,322.84 = 90,419.04/x
  3. Step 3: Cross multiply
    166,901.70x = 230,322.84 × 90,419.04
  4. Step 4: Simplify right side
    166,901.70x = 20,825,570,082.87
  5. Step 5: Solve for x
    x = 20,825,570,082.87/166,901.70
  6. Step 6: Final answer
    x = 124,777.46

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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.