Home / 230,066.91-345,135.20-72,280.53

Finding the Fourth Proportional to 230,066.91, 345,135.20 and 72,280.53

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Solution

The fourth proportional to 230,066.91, 345,135.20 and 72,280.53 is: 108,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,066.91 : 345,135.20 = 72,280.53 : x
  2. Step 2: Convert to fraction form
    230,066.91/345,135.20 = 72,280.53/x
  3. Step 3: Cross multiply
    230,066.91x = 345,135.20 × 72,280.53
  4. Step 4: Simplify right side
    230,066.91x = 24,946,554,816.25
  5. Step 5: Solve for x
    x = 24,946,554,816.25/230,066.91
  6. Step 6: Final answer
    x = 108,431.74

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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.