Home / 181,723.80-272,585.70-142,314.60

Finding the Fourth Proportional to 181,723.80, 272,585.70 and 142,314.60

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Solution

The fourth proportional to 181,723.80, 272,585.70 and 142,314.60 is: 213,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,723.80 : 272,585.70 = 142,314.60 : x
  2. Step 2: Convert to fraction form
    181,723.80/272,585.70 = 142,314.60/x
  3. Step 3: Cross multiply
    181,723.80x = 272,585.70 × 142,314.60
  4. Step 4: Simplify right side
    181,723.80x = 38,792,924,861.22
  5. Step 5: Solve for x
    x = 38,792,924,861.22/181,723.80
  6. Step 6: Final answer
    x = 213,471.90

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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.