Home / 119,278.60-164,620.04-76,960.24

Finding the Fourth Proportional to 119,278.60, 164,620.04 and 76,960.24

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Solution

The fourth proportional to 119,278.60, 164,620.04 and 76,960.24 is: 106,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.60 : 164,620.04 = 76,960.24 : x
  2. Step 2: Convert to fraction form
    119,278.60/164,620.04 = 76,960.24/x
  3. Step 3: Cross multiply
    119,278.60x = 164,620.04 × 76,960.24
  4. Step 4: Simplify right side
    119,278.60x = 12,669,197,787.21
  5. Step 5: Solve for x
    x = 12,669,197,787.21/119,278.60
  6. Step 6: Final answer
    x = 106,215.18

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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.