Home / 128,202.40-192,303.74-33,432.50

Finding the Fourth Proportional to 128,202.40, 192,303.74 and 33,432.50

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Solution

The fourth proportional to 128,202.40, 192,303.74 and 33,432.50 is: 50,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202.40 : 192,303.74 = 33,432.50 : x
  2. Step 2: Convert to fraction form
    128,202.40/192,303.74 = 33,432.50/x
  3. Step 3: Cross multiply
    128,202.40x = 192,303.74 × 33,432.50
  4. Step 4: Simplify right side
    128,202.40x = 6,429,195,226.52
  5. Step 5: Solve for x
    x = 6,429,195,226.52/128,202.40
  6. Step 6: Final answer
    x = 50,148.79

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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.