Home / 104,794.11-156,478.37-98,874.18

Finding the Fourth Proportional to 104,794.11, 156,478.37 and 98,874.18

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Solution

The fourth proportional to 104,794.11, 156,478.37 and 98,874.18 is: 147,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,794.11 : 156,478.37 = 98,874.18 : x
  2. Step 2: Convert to fraction form
    104,794.11/156,478.37 = 98,874.18/x
  3. Step 3: Cross multiply
    104,794.11x = 156,478.37 × 98,874.18
  4. Step 4: Simplify right side
    104,794.11x = 15,471,670,027.12
  5. Step 5: Solve for x
    x = 15,471,670,027.12/104,794.11
  6. Step 6: Final answer
    x = 147,638.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.