Home / 139,454.96-192,449.04-75,792.76

Finding the Fourth Proportional to 139,454.96, 192,449.04 and 75,792.76

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Solution

The fourth proportional to 139,454.96, 192,449.04 and 75,792.76 is: 104,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454.96 : 192,449.04 = 75,792.76 : x
  2. Step 2: Convert to fraction form
    139,454.96/192,449.04 = 75,792.76/x
  3. Step 3: Cross multiply
    139,454.96x = 192,449.04 × 75,792.76
  4. Step 4: Simplify right side
    139,454.96x = 14,586,243,900.95
  5. Step 5: Solve for x
    x = 14,586,243,900.95/139,454.96
  6. Step 6: Final answer
    x = 104,594.66

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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.