Home / 117,410.32-176,121.24-47,280.16

Finding the Fourth Proportional to 117,410.32, 176,121.24 and 47,280.16

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Solution

The fourth proportional to 117,410.32, 176,121.24 and 47,280.16 is: 70,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,410.32 : 176,121.24 = 47,280.16 : x
  2. Step 2: Convert to fraction form
    117,410.32/176,121.24 = 47,280.16/x
  3. Step 3: Cross multiply
    117,410.32x = 176,121.24 × 47,280.16
  4. Step 4: Simplify right side
    117,410.32x = 8,327,040,406.60
  5. Step 5: Solve for x
    x = 8,327,040,406.60/117,410.32
  6. Step 6: Final answer
    x = 70,922.56

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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.