Home / 224,429.13-309,666.78-142,789.84

Finding the Fourth Proportional to 224,429.13, 309,666.78 and 142,789.84

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Solution

The fourth proportional to 224,429.13, 309,666.78 and 142,789.84 is: 197,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,429.13 : 309,666.78 = 142,789.84 : x
  2. Step 2: Convert to fraction form
    224,429.13/309,666.78 = 142,789.84/x
  3. Step 3: Cross multiply
    224,429.13x = 309,666.78 × 142,789.84
  4. Step 4: Simplify right side
    224,429.13x = 44,217,269,195.35
  5. Step 5: Solve for x
    x = 44,217,269,195.35/224,429.13
  6. Step 6: Final answer
    x = 197,021.08

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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.