Home / 139,244.30-192,151.98-75,580.74

Finding the Fourth Proportional to 139,244.30, 192,151.98 and 75,580.74

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Solution

The fourth proportional to 139,244.30, 192,151.98 and 75,580.74 is: 104,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,244.30 : 192,151.98 = 75,580.74 : x
  2. Step 2: Convert to fraction form
    139,244.30/192,151.98 = 75,580.74/x
  3. Step 3: Cross multiply
    139,244.30x = 192,151.98 × 75,580.74
  4. Step 4: Simplify right side
    139,244.30x = 14,522,988,840.87
  5. Step 5: Solve for x
    x = 14,522,988,840.87/139,244.30
  6. Step 6: Final answer
    x = 104,298.62

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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.