Home / 139,160.07-192,041.43-75,498.30

Finding the Fourth Proportional to 139,160.07, 192,041.43 and 75,498.30

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Solution

The fourth proportional to 139,160.07, 192,041.43 and 75,498.30 is: 104,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,160.07 : 192,041.43 = 75,498.30 : x
  2. Step 2: Convert to fraction form
    139,160.07/192,041.43 = 75,498.30/x
  3. Step 3: Cross multiply
    139,160.07x = 192,041.43 × 75,498.30
  4. Step 4: Simplify right side
    139,160.07x = 14,498,801,494.57
  5. Step 5: Solve for x
    x = 14,498,801,494.57/139,160.07
  6. Step 6: Final answer
    x = 104,187.94

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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.