Home / 166,062.07-229,166.55-90,612.19

Finding the Fourth Proportional to 166,062.07, 229,166.55 and 90,612.19

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Solution

The fourth proportional to 166,062.07, 229,166.55 and 90,612.19 is: 125,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,062.07 : 229,166.55 = 90,612.19 : x
  2. Step 2: Convert to fraction form
    166,062.07/229,166.55 = 90,612.19/x
  3. Step 3: Cross multiply
    166,062.07x = 229,166.55 × 90,612.19
  4. Step 4: Simplify right side
    166,062.07x = 20,765,281,371.35
  5. Step 5: Solve for x
    x = 20,765,281,371.35/166,062.07
  6. Step 6: Final answer
    x = 125,045.30

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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.