Home / 209,124.18-313,508.91-82,853.63

Finding the Fourth Proportional to 209,124.18, 313,508.91 and 82,853.63

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Solution

The fourth proportional to 209,124.18, 313,508.91 and 82,853.63 is: 124,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,124.18 : 313,508.91 = 82,853.63 : x
  2. Step 2: Convert to fraction form
    209,124.18/313,508.91 = 82,853.63/x
  3. Step 3: Cross multiply
    209,124.18x = 313,508.91 × 82,853.63
  4. Step 4: Simplify right side
    209,124.18x = 25,975,351,230.84
  5. Step 5: Solve for x
    x = 25,975,351,230.84/209,124.18
  6. Step 6: Final answer
    x = 124,210.18

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1.5x scale

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.