Home / 122,254.92-168,767.04-76,999.40

Finding the Fourth Proportional to 122,254.92, 168,767.04 and 76,999.40

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Solution

The fourth proportional to 122,254.92, 168,767.04 and 76,999.40 is: 106,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,254.92 : 168,767.04 = 76,999.40 : x
  2. Step 2: Convert to fraction form
    122,254.92/168,767.04 = 76,999.40/x
  3. Step 3: Cross multiply
    122,254.92x = 168,767.04 × 76,999.40
  4. Step 4: Simplify right side
    122,254.92x = 12,994,960,819.78
  5. Step 5: Solve for x
    x = 12,994,960,819.78/122,254.92
  6. Step 6: Final answer
    x = 106,293.97

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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.