Home / 128,047.55-192,069.78-33,269.35

Finding the Fourth Proportional to 128,047.55, 192,069.78 and 33,269.35

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Solution

The fourth proportional to 128,047.55, 192,069.78 and 33,269.35 is: 49,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,047.55 : 192,069.78 = 33,269.35 : x
  2. Step 2: Convert to fraction form
    128,047.55/192,069.78 = 33,269.35/x
  3. Step 3: Cross multiply
    128,047.55x = 192,069.78 × 33,269.35
  4. Step 4: Simplify right side
    128,047.55x = 6,390,035,774.89
  5. Step 5: Solve for x
    x = 6,390,035,774.89/128,047.55
  6. Step 6: Final answer
    x = 49,903.62

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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.