Home / 122,104.16-168,501.20-67,654.88

Finding the Fourth Proportional to 122,104.16, 168,501.20 and 67,654.88

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Solution

The fourth proportional to 122,104.16, 168,501.20 and 67,654.88 is: 93,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,104.16 : 168,501.20 = 67,654.88 : x
  2. Step 2: Convert to fraction form
    122,104.16/168,501.20 = 67,654.88/x
  3. Step 3: Cross multiply
    122,104.16x = 168,501.20 × 67,654.88
  4. Step 4: Simplify right side
    122,104.16x = 11,399,928,465.86
  5. Step 5: Solve for x
    x = 11,399,928,465.86/122,104.16
  6. Step 6: Final answer
    x = 93,362.33

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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.