Home / 132,618.57-183,015.96-72,190.95

Finding the Fourth Proportional to 132,618.57, 183,015.96 and 72,190.95

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Solution

The fourth proportional to 132,618.57, 183,015.96 and 72,190.95 is: 99,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.57 : 183,015.96 = 72,190.95 : x
  2. Step 2: Convert to fraction form
    132,618.57/183,015.96 = 72,190.95/x
  3. Step 3: Cross multiply
    132,618.57x = 183,015.96 × 72,190.95
  4. Step 4: Simplify right side
    132,618.57x = 13,212,096,017.56
  5. Step 5: Solve for x
    x = 13,212,096,017.56/132,618.57
  6. Step 6: Final answer
    x = 99,624.78

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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.