Home / 146,762.20-219,884.10-91,293.40

Finding the Fourth Proportional to 146,762.20, 219,884.10 and 91,293.40

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Solution

The fourth proportional to 146,762.20, 219,884.10 and 91,293.40 is: 136,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,762.20 : 219,884.10 = 91,293.40 : x
  2. Step 2: Convert to fraction form
    146,762.20/219,884.10 = 91,293.40/x
  3. Step 3: Cross multiply
    146,762.20x = 219,884.10 × 91,293.40
  4. Step 4: Simplify right side
    146,762.20x = 20,073,967,094.94
  5. Step 5: Solve for x
    x = 20,073,967,094.94/146,762.20
  6. Step 6: Final answer
    x = 136,778.86

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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.