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Finding the Fourth Proportional to 146,253.19, 219,379.79 and 35,445.19

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Solution

The fourth proportional to 146,253.19, 219,379.79 and 35,445.19 is: 53,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,253.19 : 219,379.79 = 35,445.19 : x
  2. Step 2: Convert to fraction form
    146,253.19/219,379.79 = 35,445.19/x
  3. Step 3: Cross multiply
    146,253.19x = 219,379.79 × 35,445.19
  4. Step 4: Simplify right side
    146,253.19x = 7,775,958,161.48
  5. Step 5: Solve for x
    x = 7,775,958,161.48/146,253.19
  6. Step 6: Final answer
    x = 53,167.79

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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.