Home / 145,255.30-217,895.50-40,074.27

Finding the Fourth Proportional to 145,255.30, 217,895.50 and 40,074.27

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Solution

The fourth proportional to 145,255.30, 217,895.50 and 40,074.27 is: 60,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,255.30 : 217,895.50 = 40,074.27 : x
  2. Step 2: Convert to fraction form
    145,255.30/217,895.50 = 40,074.27/x
  3. Step 3: Cross multiply
    145,255.30x = 217,895.50 × 40,074.27
  4. Step 4: Simplify right side
    145,255.30x = 8,732,001,808.94
  5. Step 5: Solve for x
    x = 8,732,001,808.94/145,255.30
  6. Step 6: Final answer
    x = 60,114.86

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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.