Home / 224,295.23-309,575.45-128,854.55

Finding the Fourth Proportional to 224,295.23, 309,575.45 and 128,854.55

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Solution

The fourth proportional to 224,295.23, 309,575.45 and 128,854.55 is: 177,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,295.23 : 309,575.45 = 128,854.55 : x
  2. Step 2: Convert to fraction form
    224,295.23/309,575.45 = 128,854.55/x
  3. Step 3: Cross multiply
    224,295.23x = 309,575.45 × 128,854.55
  4. Step 4: Simplify right side
    224,295.23x = 39,890,206,396.87
  5. Step 5: Solve for x
    x = 39,890,206,396.87/224,295.23
  6. Step 6: Final answer
    x = 177,846.88

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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.