Home / 139,257.74-192,175.92-75,595.58

Finding the Fourth Proportional to 139,257.74, 192,175.92 and 75,595.58

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Solution

The fourth proportional to 139,257.74, 192,175.92 and 75,595.58 is: 104,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,257.74 : 192,175.92 = 75,595.58 : x
  2. Step 2: Convert to fraction form
    139,257.74/192,175.92 = 75,595.58/x
  3. Step 3: Cross multiply
    139,257.74x = 192,175.92 × 75,595.58
  4. Step 4: Simplify right side
    139,257.74x = 14,527,650,134.43
  5. Step 5: Solve for x
    x = 14,527,650,134.43/139,257.74
  6. Step 6: Final answer
    x = 104,322.03

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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.