Home / 171,609.03-256,854.65-155,240.55

Finding the Fourth Proportional to 171,609.03, 256,854.65 and 155,240.55

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Solution

The fourth proportional to 171,609.03, 256,854.65 and 155,240.55 is: 232,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,609.03 : 256,854.65 = 155,240.55 : x
  2. Step 2: Convert to fraction form
    171,609.03/256,854.65 = 155,240.55/x
  3. Step 3: Cross multiply
    171,609.03x = 256,854.65 × 155,240.55
  4. Step 4: Simplify right side
    171,609.03x = 39,874,256,359.85
  5. Step 5: Solve for x
    x = 39,874,256,359.85/171,609.03
  6. Step 6: Final answer
    x = 232,355.23

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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.