Home / 133,217.32-183,837.74-72,786.66

Finding the Fourth Proportional to 133,217.32, 183,837.74 and 72,786.66

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Solution

The fourth proportional to 133,217.32, 183,837.74 and 72,786.66 is: 100,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,217.32 : 183,837.74 = 72,786.66 : x
  2. Step 2: Convert to fraction form
    133,217.32/183,837.74 = 72,786.66/x
  3. Step 3: Cross multiply
    133,217.32x = 183,837.74 × 72,786.66
  4. Step 4: Simplify right side
    133,217.32x = 13,380,935,076.55
  5. Step 5: Solve for x
    x = 13,380,935,076.55/133,217.32
  6. Step 6: Final answer
    x = 100,444.41

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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.