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Finding the Fourth Proportional to 114,420.70, 171,663.45 and 35,542.90

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Solution

The fourth proportional to 114,420.70, 171,663.45 and 35,542.90 is: 53,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,420.70 : 171,663.45 = 35,542.90 : x
  2. Step 2: Convert to fraction form
    114,420.70/171,663.45 = 35,542.90/x
  3. Step 3: Cross multiply
    114,420.70x = 171,663.45 × 35,542.90
  4. Step 4: Simplify right side
    114,420.70x = 6,101,416,837.01
  5. Step 5: Solve for x
    x = 6,101,416,837.01/114,420.70
  6. Step 6: Final answer
    x = 53,324.41

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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.