Home / 108,099.41-162,107.60-74,718.36

Finding the Fourth Proportional to 108,099.41, 162,107.60 and 74,718.36

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Solution

The fourth proportional to 108,099.41, 162,107.60 and 74,718.36 is: 112,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.41 : 162,107.60 = 74,718.36 : x
  2. Step 2: Convert to fraction form
    108,099.41/162,107.60 = 74,718.36/x
  3. Step 3: Cross multiply
    108,099.41x = 162,107.60 × 74,718.36
  4. Step 4: Simplify right side
    108,099.41x = 12,112,413,641.94
  5. Step 5: Solve for x
    x = 12,112,413,641.94/108,099.41
  6. Step 6: Final answer
    x = 112,048.85

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1.5x scale

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.