Home / 112,767.78-155,453.13-88,846.86

Finding the Fourth Proportional to 112,767.78, 155,453.13 and 88,846.86

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Solution

The fourth proportional to 112,767.78, 155,453.13 and 88,846.86 is: 122,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,767.78 : 155,453.13 = 88,846.86 : x
  2. Step 2: Convert to fraction form
    112,767.78/155,453.13 = 88,846.86/x
  3. Step 3: Cross multiply
    112,767.78x = 155,453.13 × 88,846.86
  4. Step 4: Simplify right side
    112,767.78x = 13,811,522,477.67
  5. Step 5: Solve for x
    x = 13,811,522,477.67/112,767.78
  6. Step 6: Final answer
    x = 122,477.56

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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.