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Finding the Fourth Proportional to 171,044.70, 256,567.05 and 168,128.70

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Solution

The fourth proportional to 171,044.70, 256,567.05 and 168,128.70 is: 252,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,044.70 : 256,567.05 = 168,128.70 : x
  2. Step 2: Convert to fraction form
    171,044.70/256,567.05 = 168,128.70/x
  3. Step 3: Cross multiply
    171,044.70x = 256,567.05 × 168,128.70
  4. Step 4: Simplify right side
    171,044.70x = 43,136,284,579.34
  5. Step 5: Solve for x
    x = 43,136,284,579.34/171,044.70
  6. Step 6: Final answer
    x = 252,193.05

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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.