Home / 166,725.95-250,135.76-66,956.21

Finding the Fourth Proportional to 166,725.95, 250,135.76 and 66,956.21

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Solution

The fourth proportional to 166,725.95, 250,135.76 and 66,956.21 is: 100,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.95 : 250,135.76 = 66,956.21 : x
  2. Step 2: Convert to fraction form
    166,725.95/250,135.76 = 66,956.21/x
  3. Step 3: Cross multiply
    166,725.95x = 250,135.76 × 66,956.21
  4. Step 4: Simplify right side
    166,725.95x = 16,748,140,889.61
  5. Step 5: Solve for x
    x = 16,748,140,889.61/166,725.95
  6. Step 6: Final answer
    x = 100,453.12

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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.