Home / 139,210.26-192,110.31-75,548.09

Finding the Fourth Proportional to 139,210.26, 192,110.31 and 75,548.09

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Solution

The fourth proportional to 139,210.26, 192,110.31 and 75,548.09 is: 104,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,210.26 : 192,110.31 = 75,548.09 : x
  2. Step 2: Convert to fraction form
    139,210.26/192,110.31 = 75,548.09/x
  3. Step 3: Cross multiply
    139,210.26x = 192,110.31 × 75,548.09
  4. Step 4: Simplify right side
    139,210.26x = 14,513,566,029.26
  5. Step 5: Solve for x
    x = 14,513,566,029.26/139,210.26
  6. Step 6: Final answer
    x = 104,256.44

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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.