Home / 132,908.76-183,414.10-72,477.84

Finding the Fourth Proportional to 132,908.76, 183,414.10 and 72,477.84

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Solution

The fourth proportional to 132,908.76, 183,414.10 and 72,477.84 is: 100,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,908.76 : 183,414.10 = 72,477.84 : x
  2. Step 2: Convert to fraction form
    132,908.76/183,414.10 = 72,477.84/x
  3. Step 3: Cross multiply
    132,908.76x = 183,414.10 × 72,477.84
  4. Step 4: Simplify right side
    132,908.76x = 13,293,457,793.54
  5. Step 5: Solve for x
    x = 13,293,457,793.54/132,908.76
  6. Step 6: Final answer
    x = 100,019.43

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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.