Home / 145,706.45-218,571.98-40,525.42

Finding the Fourth Proportional to 145,706.45, 218,571.98 and 40,525.42

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Solution

The fourth proportional to 145,706.45, 218,571.98 and 40,525.42 is: 60,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,706.45 : 218,571.98 = 40,525.42 : x
  2. Step 2: Convert to fraction form
    145,706.45/218,571.98 = 40,525.42/x
  3. Step 3: Cross multiply
    145,706.45x = 218,571.98 × 40,525.42
  4. Step 4: Simplify right side
    145,706.45x = 8,857,721,679.21
  5. Step 5: Solve for x
    x = 8,857,721,679.21/145,706.45
  6. Step 6: Final answer
    x = 60,791.55

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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.