Home / 132,618.38-183,015.70-72,190.76

Finding the Fourth Proportional to 132,618.38, 183,015.70 and 72,190.76

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Solution

The fourth proportional to 132,618.38, 183,015.70 and 72,190.76 is: 99,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.38 : 183,015.70 = 72,190.76 : x
  2. Step 2: Convert to fraction form
    132,618.38/183,015.70 = 72,190.76/x
  3. Step 3: Cross multiply
    132,618.38x = 183,015.70 × 72,190.76
  4. Step 4: Simplify right side
    132,618.38x = 13,212,042,474.93
  5. Step 5: Solve for x
    x = 13,212,042,474.93/132,618.38
  6. Step 6: Final answer
    x = 99,624.52

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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.