Home / 126,902.18-175,179.04-85,518.25

Finding the Fourth Proportional to 126,902.18, 175,179.04 and 85,518.25

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Solution

The fourth proportional to 126,902.18, 175,179.04 and 85,518.25 is: 118,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.18 : 175,179.04 = 85,518.25 : x
  2. Step 2: Convert to fraction form
    126,902.18/175,179.04 = 85,518.25/x
  3. Step 3: Cross multiply
    126,902.18x = 175,179.04 × 85,518.25
  4. Step 4: Simplify right side
    126,902.18x = 14,981,004,937.48
  5. Step 5: Solve for x
    x = 14,981,004,937.48/126,902.18
  6. Step 6: Final answer
    x = 118,051.60

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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.