Home / 104,155.36-143,626.88-89,097.86

Finding the Fourth Proportional to 104,155.36, 143,626.88 and 89,097.86

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Solution

The fourth proportional to 104,155.36, 143,626.88 and 89,097.86 is: 122,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,155.36 : 143,626.88 = 89,097.86 : x
  2. Step 2: Convert to fraction form
    104,155.36/143,626.88 = 89,097.86/x
  3. Step 3: Cross multiply
    104,155.36x = 143,626.88 × 89,097.86
  4. Step 4: Simplify right side
    104,155.36x = 12,796,847,646.48
  5. Step 5: Solve for x
    x = 12,796,847,646.48/104,155.36
  6. Step 6: Final answer
    x = 122,863.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.