Home / 166,275.12-229,459.88-90,823.64

Finding the Fourth Proportional to 166,275.12, 229,459.88 and 90,823.64

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Solution

The fourth proportional to 166,275.12, 229,459.88 and 90,823.64 is: 125,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,275.12 : 229,459.88 = 90,823.64 : x
  2. Step 2: Convert to fraction form
    166,275.12/229,459.88 = 90,823.64/x
  3. Step 3: Cross multiply
    166,275.12x = 229,459.88 × 90,823.64
  4. Step 4: Simplify right side
    166,275.12x = 20,840,381,535.56
  5. Step 5: Solve for x
    x = 20,840,381,535.56/166,275.12
  6. Step 6: Final answer
    x = 125,336.74

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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.