Home / 104,366.22-143,930.34-88,267.26

Finding the Fourth Proportional to 104,366.22, 143,930.34 and 88,267.26

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Solution

The fourth proportional to 104,366.22, 143,930.34 and 88,267.26 is: 121,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,366.22 : 143,930.34 = 88,267.26 : x
  2. Step 2: Convert to fraction form
    104,366.22/143,930.34 = 88,267.26/x
  3. Step 3: Cross multiply
    104,366.22x = 143,930.34 × 88,267.26
  4. Step 4: Simplify right side
    104,366.22x = 12,704,336,742.67
  5. Step 5: Solve for x
    x = 12,704,336,742.67/104,366.22
  6. Step 6: Final answer
    x = 121,728.44

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1.5x scale

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.