Home / 132,128.07-198,222.38-57,260.79

Finding the Fourth Proportional to 132,128.07, 198,222.38 and 57,260.79

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Solution

The fourth proportional to 132,128.07, 198,222.38 and 57,260.79 is: 85,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,128.07 : 198,222.38 = 57,260.79 : x
  2. Step 2: Convert to fraction form
    132,128.07/198,222.38 = 57,260.79/x
  3. Step 3: Cross multiply
    132,128.07x = 198,222.38 × 57,260.79
  4. Step 4: Simplify right side
    132,128.07x = 11,350,370,074.48
  5. Step 5: Solve for x
    x = 11,350,370,074.48/132,128.07
  6. Step 6: Final answer
    x = 85,904.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.