Home / 128,014.74-192,022.08-34,520.46

Finding the Fourth Proportional to 128,014.74, 192,022.08 and 34,520.46

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Solution

The fourth proportional to 128,014.74, 192,022.08 and 34,520.46 is: 51,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,014.74 : 192,022.08 = 34,520.46 : x
  2. Step 2: Convert to fraction form
    128,014.74/192,022.08 = 34,520.46/x
  3. Step 3: Cross multiply
    128,014.74x = 192,022.08 × 34,520.46
  4. Step 4: Simplify right side
    128,014.74x = 6,628,690,531.76
  5. Step 5: Solve for x
    x = 6,628,690,531.76/128,014.74
  6. Step 6: Final answer
    x = 51,780.68

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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.