Home / 139,244.92-192,158.22-75,582.70

Finding the Fourth Proportional to 139,244.92, 192,158.22 and 75,582.70

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Solution

The fourth proportional to 139,244.92, 192,158.22 and 75,582.70 is: 104,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,244.92 : 192,158.22 = 75,582.70 : x
  2. Step 2: Convert to fraction form
    139,244.92/192,158.22 = 75,582.70/x
  3. Step 3: Cross multiply
    139,244.92x = 192,158.22 × 75,582.70
  4. Step 4: Simplify right side
    139,244.92x = 14,523,837,094.79
  5. Step 5: Solve for x
    x = 14,523,837,094.79/139,244.92
  6. Step 6: Final answer
    x = 104,304.25

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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.