Home / 146,986.20-220,536.90-53,501.40

Finding the Fourth Proportional to 146,986.20, 220,536.90 and 53,501.40

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Solution

The fourth proportional to 146,986.20, 220,536.90 and 53,501.40 is: 80,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,986.20 : 220,536.90 = 53,501.40 : x
  2. Step 2: Convert to fraction form
    146,986.20/220,536.90 = 53,501.40/x
  3. Step 3: Cross multiply
    146,986.20x = 220,536.90 × 53,501.40
  4. Step 4: Simplify right side
    146,986.20x = 11,799,032,901.66
  5. Step 5: Solve for x
    x = 11,799,032,901.66/146,986.20
  6. Step 6: Final answer
    x = 80,273.07

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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.