Home / 230,749.00-318,393.03-128,766.46

Finding the Fourth Proportional to 230,749.00, 318,393.03 and 128,766.46

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Solution

The fourth proportional to 230,749.00, 318,393.03 and 128,766.46 is: 177,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,749.00 : 318,393.03 = 128,766.46 : x
  2. Step 2: Convert to fraction form
    230,749.00/318,393.03 = 128,766.46/x
  3. Step 3: Cross multiply
    230,749.00x = 318,393.03 × 128,766.46
  4. Step 4: Simplify right side
    230,749.00x = 40,998,342,921.34
  5. Step 5: Solve for x
    x = 40,998,342,921.34/230,749.00
  6. Step 6: Final answer
    x = 177,675.06

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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.