Home / 139,211.46-192,110.04-75,551.58

Finding the Fourth Proportional to 139,211.46, 192,110.04 and 75,551.58

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Solution

The fourth proportional to 139,211.46, 192,110.04 and 75,551.58 is: 104,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,211.46 : 192,110.04 = 75,551.58 : x
  2. Step 2: Convert to fraction form
    139,211.46/192,110.04 = 75,551.58/x
  3. Step 3: Cross multiply
    139,211.46x = 192,110.04 × 75,551.58
  4. Step 4: Simplify right side
    139,211.46x = 14,514,217,055.86
  5. Step 5: Solve for x
    x = 14,514,217,055.86/139,211.46
  6. Step 6: Final answer
    x = 104,260.22

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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.