Home / 133,216.32-183,836.36-72,785.66

Finding the Fourth Proportional to 133,216.32, 183,836.36 and 72,785.66

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Solution

The fourth proportional to 133,216.32, 183,836.36 and 72,785.66 is: 100,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216.32 : 183,836.36 = 72,785.66 : x
  2. Step 2: Convert to fraction form
    133,216.32/183,836.36 = 72,785.66/x
  3. Step 3: Cross multiply
    133,216.32x = 183,836.36 × 72,785.66
  4. Step 4: Simplify right side
    133,216.32x = 13,380,650,794.60
  5. Step 5: Solve for x
    x = 13,380,650,794.60/133,216.32
  6. Step 6: Final answer
    x = 100,443.03

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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.