Home / 132,977.56-183,490.84-76,388.92

Finding the Fourth Proportional to 132,977.56, 183,490.84 and 76,388.92

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Solution

The fourth proportional to 132,977.56, 183,490.84 and 76,388.92 is: 105,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,977.56 : 183,490.84 = 76,388.92 : x
  2. Step 2: Convert to fraction form
    132,977.56/183,490.84 = 76,388.92/x
  3. Step 3: Cross multiply
    132,977.56x = 183,490.84 × 76,388.92
  4. Step 4: Simplify right side
    132,977.56x = 14,016,667,097.49
  5. Step 5: Solve for x
    x = 14,016,667,097.49/132,977.56
  6. Step 6: Final answer
    x = 105,406.26

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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.