Home / 139,252.32-192,172.23-75,594.15

Finding the Fourth Proportional to 139,252.32, 192,172.23 and 75,594.15

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Solution

The fourth proportional to 139,252.32, 192,172.23 and 75,594.15 is: 104,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,252.32 : 192,172.23 = 75,594.15 : x
  2. Step 2: Convert to fraction form
    139,252.32/192,172.23 = 75,594.15/x
  3. Step 3: Cross multiply
    139,252.32x = 192,172.23 × 75,594.15
  4. Step 4: Simplify right side
    139,252.32x = 14,527,096,380.45
  5. Step 5: Solve for x
    x = 14,527,096,380.45/139,252.32
  6. Step 6: Final answer
    x = 104,322.11

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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.