Home / 152,819.74-229,241.76-47,639.62

Finding the Fourth Proportional to 152,819.74, 229,241.76 and 47,639.62

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Solution

The fourth proportional to 152,819.74, 229,241.76 and 47,639.62 is: 71,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,819.74 : 229,241.76 = 47,639.62 : x
  2. Step 2: Convert to fraction form
    152,819.74/229,241.76 = 47,639.62/x
  3. Step 3: Cross multiply
    152,819.74x = 229,241.76 × 47,639.62
  4. Step 4: Simplify right side
    152,819.74x = 10,920,990,710.41
  5. Step 5: Solve for x
    x = 10,920,990,710.41/152,819.74
  6. Step 6: Final answer
    x = 71,463.22

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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.