Home / 166,775.40-230,150.21-90,294.55

Finding the Fourth Proportional to 166,775.40, 230,150.21 and 90,294.55

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Solution

The fourth proportional to 166,775.40, 230,150.21 and 90,294.55 is: 124,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,775.40 : 230,150.21 = 90,294.55 : x
  2. Step 2: Convert to fraction form
    166,775.40/230,150.21 = 90,294.55/x
  3. Step 3: Cross multiply
    166,775.40x = 230,150.21 × 90,294.55
  4. Step 4: Simplify right side
    166,775.40x = 20,781,308,617.51
  5. Step 5: Solve for x
    x = 20,781,308,617.51/166,775.40
  6. Step 6: Final answer
    x = 124,606.56

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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.