Home / 122,217.76-168,257.52-106,293.76

Finding the Fourth Proportional to 122,217.76, 168,257.52 and 106,293.76

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Solution

The fourth proportional to 122,217.76, 168,257.52 and 106,293.76 is: 146,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217.76 : 168,257.52 = 106,293.76 : x
  2. Step 2: Convert to fraction form
    122,217.76/168,257.52 = 106,293.76/x
  3. Step 3: Cross multiply
    122,217.76x = 168,257.52 × 106,293.76
  4. Step 4: Simplify right side
    122,217.76x = 17,884,724,449.08
  5. Step 5: Solve for x
    x = 17,884,724,449.08/122,217.76
  6. Step 6: Final answer
    x = 146,334.91

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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.