Home / 128,233.40-192,349.02-34,738.52

Finding the Fourth Proportional to 128,233.40, 192,349.02 and 34,738.52

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Solution

The fourth proportional to 128,233.40, 192,349.02 and 34,738.52 is: 52,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,233.40 : 192,349.02 = 34,738.52 : x
  2. Step 2: Convert to fraction form
    128,233.40/192,349.02 = 34,738.52/x
  3. Step 3: Cross multiply
    128,233.40x = 192,349.02 × 34,738.52
  4. Step 4: Simplify right side
    128,233.40x = 6,681,920,278.25
  5. Step 5: Solve for x
    x = 6,681,920,278.25/128,233.40
  6. Step 6: Final answer
    x = 52,107.49

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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.