Home / 128,271.18-192,435.17-44,029.46

Finding the Fourth Proportional to 128,271.18, 192,435.17 and 44,029.46

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Solution

The fourth proportional to 128,271.18, 192,435.17 and 44,029.46 is: 66,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,271.18 : 192,435.17 = 44,029.46 : x
  2. Step 2: Convert to fraction form
    128,271.18/192,435.17 = 44,029.46/x
  3. Step 3: Cross multiply
    128,271.18x = 192,435.17 × 44,029.46
  4. Step 4: Simplify right side
    128,271.18x = 8,472,815,437.79
  5. Step 5: Solve for x
    x = 8,472,815,437.79/128,271.18
  6. Step 6: Final answer
    x = 66,053.93

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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.