Home / 139,240.49-192,152.03-75,578.27

Finding the Fourth Proportional to 139,240.49, 192,152.03 and 75,578.27

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Solution

The fourth proportional to 139,240.49, 192,152.03 and 75,578.27 is: 104,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,240.49 : 192,152.03 = 75,578.27 : x
  2. Step 2: Convert to fraction form
    139,240.49/192,152.03 = 75,578.27/x
  3. Step 3: Cross multiply
    139,240.49x = 192,152.03 × 75,578.27
  4. Step 4: Simplify right side
    139,240.49x = 14,522,516,665.74
  5. Step 5: Solve for x
    x = 14,522,516,665.74/139,240.49
  6. Step 6: Final answer
    x = 104,298.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.