Home / 93,279.50-139,933.07-30,078.84

Finding the Fourth Proportional to 93,279.50, 139,933.07 and 30,078.84

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Solution

The fourth proportional to 93,279.50, 139,933.07 and 30,078.84 is: 45,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.50 : 139,933.07 = 30,078.84 : x
  2. Step 2: Convert to fraction form
    93,279.50/139,933.07 = 30,078.84/x
  3. Step 3: Cross multiply
    93,279.50x = 139,933.07 × 30,078.84
  4. Step 4: Simplify right side
    93,279.50x = 4,209,024,910.39
  5. Step 5: Solve for x
    x = 4,209,024,910.39/93,279.50
  6. Step 6: Final answer
    x = 45,122.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.