Home / 166,364.80-229,569.60-90,913.12

Finding the Fourth Proportional to 166,364.80, 229,569.60 and 90,913.12

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Solution

The fourth proportional to 166,364.80, 229,569.60 and 90,913.12 is: 125,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,364.80 : 229,569.60 = 90,913.12 : x
  2. Step 2: Convert to fraction form
    166,364.80/229,569.60 = 90,913.12/x
  3. Step 3: Cross multiply
    166,364.80x = 229,569.60 × 90,913.12
  4. Step 4: Simplify right side
    166,364.80x = 20,870,888,593.15
  5. Step 5: Solve for x
    x = 20,870,888,593.15/166,364.80
  6. Step 6: Final answer
    x = 125,452.55

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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.