Home / 93,141.15-139,633.36-40,511

Finding the Fourth Proportional to 93,141.15, 139,633.36 and 40,511

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Solution

The fourth proportional to 93,141.15, 139,633.36 and 40,511 is: 60,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.15 : 139,633.36 = 40,511 : x
  2. Step 2: Convert to fraction form
    93,141.15/139,633.36 = 40,511/x
  3. Step 3: Cross multiply
    93,141.15x = 139,633.36 × 40,511
  4. Step 4: Simplify right side
    93,141.15x = 5,656,687,046.96
  5. Step 5: Solve for x
    x = 5,656,687,046.96/93,141.15
  6. Step 6: Final answer
    x = 60,732.42

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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.