Home / 172,056.20-258,084.30-109,070.60

Finding the Fourth Proportional to 172,056.20, 258,084.30 and 109,070.60

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Solution

The fourth proportional to 172,056.20, 258,084.30 and 109,070.60 is: 163,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,056.20 : 258,084.30 = 109,070.60 : x
  2. Step 2: Convert to fraction form
    172,056.20/258,084.30 = 109,070.60/x
  3. Step 3: Cross multiply
    172,056.20x = 258,084.30 × 109,070.60
  4. Step 4: Simplify right side
    172,056.20x = 28,149,409,451.58
  5. Step 5: Solve for x
    x = 28,149,409,451.58/172,056.20
  6. Step 6: Final answer
    x = 163,605.90

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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.