Home / 166,782.40-230,159.88-90,301.54

Finding the Fourth Proportional to 166,782.40, 230,159.88 and 90,301.54

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Solution

The fourth proportional to 166,782.40, 230,159.88 and 90,301.54 is: 124,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,782.40 : 230,159.88 = 90,301.54 : x
  2. Step 2: Convert to fraction form
    166,782.40/230,159.88 = 90,301.54/x
  3. Step 3: Cross multiply
    166,782.40x = 230,159.88 × 90,301.54
  4. Step 4: Simplify right side
    166,782.40x = 20,783,791,610.22
  5. Step 5: Solve for x
    x = 20,783,791,610.22/166,782.40
  6. Step 6: Final answer
    x = 124,616.22

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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.