Home / 224,355.75-309,612.91-122,381.66

Finding the Fourth Proportional to 224,355.75, 309,612.91 and 122,381.66

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Solution

The fourth proportional to 224,355.75, 309,612.91 and 122,381.66 is: 168,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,355.75 : 309,612.91 = 122,381.66 : x
  2. Step 2: Convert to fraction form
    224,355.75/309,612.91 = 122,381.66/x
  3. Step 3: Cross multiply
    224,355.75x = 309,612.91 × 122,381.66
  4. Step 4: Simplify right side
    224,355.75x = 37,890,942,783.27
  5. Step 5: Solve for x
    x = 37,890,942,783.27/224,355.75
  6. Step 6: Final answer
    x = 168,887.77

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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.