Home / 209,240.48-288,757.50-113,753.72

Finding the Fourth Proportional to 209,240.48, 288,757.50 and 113,753.72

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Solution

The fourth proportional to 209,240.48, 288,757.50 and 113,753.72 is: 156,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,240.48 : 288,757.50 = 113,753.72 : x
  2. Step 2: Convert to fraction form
    209,240.48/288,757.50 = 113,753.72/x
  3. Step 3: Cross multiply
    209,240.48x = 288,757.50 × 113,753.72
  4. Step 4: Simplify right side
    209,240.48x = 32,847,239,802.90
  5. Step 5: Solve for x
    x = 32,847,239,802.90/209,240.48
  6. Step 6: Final answer
    x = 156,983.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.