Home / 221,025.10-331,502.45-73,281.10

Finding the Fourth Proportional to 221,025.10, 331,502.45 and 73,281.10

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Solution

The fourth proportional to 221,025.10, 331,502.45 and 73,281.10 is: 109,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,025.10 : 331,502.45 = 73,281.10 : x
  2. Step 2: Convert to fraction form
    221,025.10/331,502.45 = 73,281.10/x
  3. Step 3: Cross multiply
    221,025.10x = 331,502.45 × 73,281.10
  4. Step 4: Simplify right side
    221,025.10x = 24,292,864,188.70
  5. Step 5: Solve for x
    x = 24,292,864,188.70/221,025.10
  6. Step 6: Final answer
    x = 109,909.98

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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.