Home / 119,916.68-179,780.12-45,028.48

Finding the Fourth Proportional to 119,916.68, 179,780.12 and 45,028.48

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Solution

The fourth proportional to 119,916.68, 179,780.12 and 45,028.48 is: 67,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.68 : 179,780.12 = 45,028.48 : x
  2. Step 2: Convert to fraction form
    119,916.68/179,780.12 = 45,028.48/x
  3. Step 3: Cross multiply
    119,916.68x = 179,780.12 × 45,028.48
  4. Step 4: Simplify right side
    119,916.68x = 8,095,226,128.09
  5. Step 5: Solve for x
    x = 8,095,226,128.09/119,916.68
  6. Step 6: Final answer
    x = 67,507.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.