Home / 119,820.62-179,752.08-40,916.36

Finding the Fourth Proportional to 119,820.62, 179,752.08 and 40,916.36

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Solution

The fourth proportional to 119,820.62, 179,752.08 and 40,916.36 is: 61,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820.62 : 179,752.08 = 40,916.36 : x
  2. Step 2: Convert to fraction form
    119,820.62/179,752.08 = 40,916.36/x
  3. Step 3: Cross multiply
    119,820.62x = 179,752.08 × 40,916.36
  4. Step 4: Simplify right side
    119,820.62x = 7,354,800,816.03
  5. Step 5: Solve for x
    x = 7,354,800,816.03/119,820.62
  6. Step 6: Final answer
    x = 61,381.76

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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.