Home / 145,336.68-218,002.80-40,153.32

Finding the Fourth Proportional to 145,336.68, 218,002.80 and 40,153.32

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Solution

The fourth proportional to 145,336.68, 218,002.80 and 40,153.32 is: 60,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,336.68 : 218,002.80 = 40,153.32 : x
  2. Step 2: Convert to fraction form
    145,336.68/218,002.80 = 40,153.32/x
  3. Step 3: Cross multiply
    145,336.68x = 218,002.80 × 40,153.32
  4. Step 4: Simplify right side
    145,336.68x = 8,753,536,189.30
  5. Step 5: Solve for x
    x = 8,753,536,189.30/145,336.68
  6. Step 6: Final answer
    x = 60,229.37

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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.