Home / 103,214.92-154,615.02-61,639.24

Finding the Fourth Proportional to 103,214.92, 154,615.02 and 61,639.24

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Solution

The fourth proportional to 103,214.92, 154,615.02 and 61,639.24 is: 92,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,214.92 : 154,615.02 = 61,639.24 : x
  2. Step 2: Convert to fraction form
    103,214.92/154,615.02 = 61,639.24/x
  3. Step 3: Cross multiply
    103,214.92x = 154,615.02 × 61,639.24
  4. Step 4: Simplify right side
    103,214.92x = 9,530,352,325.38
  5. Step 5: Solve for x
    x = 9,530,352,325.38/103,214.92
  6. Step 6: Final answer
    x = 92,335.03

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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.