Home / 146,167.20-218,905.20-99,165.60

Finding the Fourth Proportional to 146,167.20, 218,905.20 and 99,165.60

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Solution

The fourth proportional to 146,167.20, 218,905.20 and 99,165.60 is: 148,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.20 : 218,905.20 = 99,165.60 : x
  2. Step 2: Convert to fraction form
    146,167.20/218,905.20 = 99,165.60/x
  3. Step 3: Cross multiply
    146,167.20x = 218,905.20 × 99,165.60
  4. Step 4: Simplify right side
    146,167.20x = 21,707,865,501.12
  5. Step 5: Solve for x
    x = 21,707,865,501.12/146,167.20
  6. Step 6: Final answer
    x = 148,513.93

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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.