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Finding the Fourth Proportional to 114,539.10, 171,821.45 and 35,652.70

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Solution

The fourth proportional to 114,539.10, 171,821.45 and 35,652.70 is: 53,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,539.10 : 171,821.45 = 35,652.70 : x
  2. Step 2: Convert to fraction form
    114,539.10/171,821.45 = 35,652.70/x
  3. Step 3: Cross multiply
    114,539.10x = 171,821.45 × 35,652.70
  4. Step 4: Simplify right side
    114,539.10x = 6,125,898,610.42
  5. Step 5: Solve for x
    x = 6,125,898,610.42/114,539.10
  6. Step 6: Final answer
    x = 53,483.03

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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.