Home / 119,819.62-179,750.58-40,915.36

Finding the Fourth Proportional to 119,819.62, 179,750.58 and 40,915.36

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Solution

The fourth proportional to 119,819.62, 179,750.58 and 40,915.36 is: 61,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.62 : 179,750.58 = 40,915.36 : x
  2. Step 2: Convert to fraction form
    119,819.62/179,750.58 = 40,915.36/x
  3. Step 3: Cross multiply
    119,819.62x = 179,750.58 × 40,915.36
  4. Step 4: Simplify right side
    119,819.62x = 7,354,559,690.91
  5. Step 5: Solve for x
    x = 7,354,559,690.91/119,819.62
  6. Step 6: Final answer
    x = 61,380.26

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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.