Home / 139,280.35-192,206.87-75,618.15

Finding the Fourth Proportional to 139,280.35, 192,206.87 and 75,618.15

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Solution

The fourth proportional to 139,280.35, 192,206.87 and 75,618.15 is: 104,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,280.35 : 192,206.87 = 75,618.15 : x
  2. Step 2: Convert to fraction form
    139,280.35/192,206.87 = 75,618.15/x
  3. Step 3: Cross multiply
    139,280.35x = 192,206.87 × 75,618.15
  4. Step 4: Simplify right side
    139,280.35x = 14,534,327,926.69
  5. Step 5: Solve for x
    x = 14,534,327,926.69/139,280.35
  6. Step 6: Final answer
    x = 104,353.04

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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.