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Finding the Fourth Proportional to 168,010.10, 252,015.15 and 62,815.40

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Solution

The fourth proportional to 168,010.10, 252,015.15 and 62,815.40 is: 94,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,010.10 : 252,015.15 = 62,815.40 : x
  2. Step 2: Convert to fraction form
    168,010.10/252,015.15 = 62,815.40/x
  3. Step 3: Cross multiply
    168,010.10x = 252,015.15 × 62,815.40
  4. Step 4: Simplify right side
    168,010.10x = 15,830,432,453.31
  5. Step 5: Solve for x
    x = 15,830,432,453.31/168,010.10
  6. Step 6: Final answer
    x = 94,223.10

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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.