Home / 146,801.72-220,237.05-45,594.60

Finding the Fourth Proportional to 146,801.72, 220,237.05 and 45,594.60

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Solution

The fourth proportional to 146,801.72, 220,237.05 and 45,594.60 is: 68,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801.72 : 220,237.05 = 45,594.60 : x
  2. Step 2: Convert to fraction form
    146,801.72/220,237.05 = 45,594.60/x
  3. Step 3: Cross multiply
    146,801.72x = 220,237.05 × 45,594.60
  4. Step 4: Simplify right side
    146,801.72x = 10,041,620,199.93
  5. Step 5: Solve for x
    x = 10,041,620,199.93/146,801.72
  6. Step 6: Final answer
    x = 68,402.61

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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.