Home / 93,727.05-140,520.30-30,509.38

Finding the Fourth Proportional to 93,727.05, 140,520.30 and 30,509.38

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Solution

The fourth proportional to 93,727.05, 140,520.30 and 30,509.38 is: 45,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,727.05 : 140,520.30 = 30,509.38 : x
  2. Step 2: Convert to fraction form
    93,727.05/140,520.30 = 30,509.38/x
  3. Step 3: Cross multiply
    93,727.05x = 140,520.30 × 30,509.38
  4. Step 4: Simplify right side
    93,727.05x = 4,287,187,230.41
  5. Step 5: Solve for x
    x = 4,287,187,230.41/93,727.05
  6. Step 6: Final answer
    x = 45,741.19

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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.