Home / 262,405.10-393,639.60-93,943.10

Finding the Fourth Proportional to 262,405.10, 393,639.60 and 93,943.10

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Solution

The fourth proportional to 262,405.10, 393,639.60 and 93,943.10 is: 140,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,405.10 : 393,639.60 = 93,943.10 : x
  2. Step 2: Convert to fraction form
    262,405.10/393,639.60 = 93,943.10/x
  3. Step 3: Cross multiply
    262,405.10x = 393,639.60 × 93,943.10
  4. Step 4: Simplify right side
    262,405.10x = 36,979,724,306.76
  5. Step 5: Solve for x
    x = 36,979,724,306.76/262,405.10
  6. Step 6: Final answer
    x = 140,926.09

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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.