Home / 122,636.88-184,084.02-108,686.16

Finding the Fourth Proportional to 122,636.88, 184,084.02 and 108,686.16

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Solution

The fourth proportional to 122,636.88, 184,084.02 and 108,686.16 is: 163,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636.88 : 184,084.02 = 108,686.16 : x
  2. Step 2: Convert to fraction form
    122,636.88/184,084.02 = 108,686.16/x
  3. Step 3: Cross multiply
    122,636.88x = 184,084.02 × 108,686.16
  4. Step 4: Simplify right side
    122,636.88x = 20,007,385,251.16
  5. Step 5: Solve for x
    x = 20,007,385,251.16/122,636.88
  6. Step 6: Final answer
    x = 163,143.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.