Home / 209,705.74-314,693.94-76,574.85

Finding the Fourth Proportional to 209,705.74, 314,693.94 and 76,574.85

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Solution

The fourth proportional to 209,705.74, 314,693.94 and 76,574.85 is: 114,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,705.74 : 314,693.94 = 76,574.85 : x
  2. Step 2: Convert to fraction form
    209,705.74/314,693.94 = 76,574.85/x
  3. Step 3: Cross multiply
    209,705.74x = 314,693.94 × 76,574.85
  4. Step 4: Simplify right side
    209,705.74x = 24,097,641,251.41
  5. Step 5: Solve for x
    x = 24,097,641,251.41/209,705.74
  6. Step 6: Final answer
    x = 114,911.69

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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.