Home / 128,202.18-192,303.40-33,432.29

Finding the Fourth Proportional to 128,202.18, 192,303.40 and 33,432.29

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Solution

The fourth proportional to 128,202.18, 192,303.40 and 33,432.29 is: 50,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202.18 : 192,303.40 = 33,432.29 : x
  2. Step 2: Convert to fraction form
    128,202.18/192,303.40 = 33,432.29/x
  3. Step 3: Cross multiply
    128,202.18x = 192,303.40 × 33,432.29
  4. Step 4: Simplify right side
    128,202.18x = 6,429,143,036.79
  5. Step 5: Solve for x
    x = 6,429,143,036.79/128,202.18
  6. Step 6: Final answer
    x = 50,148.47

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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.