Home / 145,741.27-218,617.67-40,569.43

Finding the Fourth Proportional to 145,741.27, 218,617.67 and 40,569.43

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Solution

The fourth proportional to 145,741.27, 218,617.67 and 40,569.43 is: 60,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.27 : 218,617.67 = 40,569.43 : x
  2. Step 2: Convert to fraction form
    145,741.27/218,617.67 = 40,569.43/x
  3. Step 3: Cross multiply
    145,741.27x = 218,617.67 × 40,569.43
  4. Step 4: Simplify right side
    145,741.27x = 8,869,194,259.83
  5. Step 5: Solve for x
    x = 8,869,194,259.83/145,741.27
  6. Step 6: Final answer
    x = 60,855.75

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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.