Home / 128,356.08-192,484.80-44,100.48

Finding the Fourth Proportional to 128,356.08, 192,484.80 and 44,100.48

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Solution

The fourth proportional to 128,356.08, 192,484.80 and 44,100.48 is: 66,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,356.08 : 192,484.80 = 44,100.48 : x
  2. Step 2: Convert to fraction form
    128,356.08/192,484.80 = 44,100.48/x
  3. Step 3: Cross multiply
    128,356.08x = 192,484.80 × 44,100.48
  4. Step 4: Simplify right side
    128,356.08x = 8,488,672,072.70
  5. Step 5: Solve for x
    x = 8,488,672,072.70/128,356.08
  6. Step 6: Final answer
    x = 66,133.77

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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.