Home / 166,122.33-249,207.95-53,765.21

Finding the Fourth Proportional to 166,122.33, 249,207.95 and 53,765.21

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Solution

The fourth proportional to 166,122.33, 249,207.95 and 53,765.21 is: 80,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,122.33 : 249,207.95 = 53,765.21 : x
  2. Step 2: Convert to fraction form
    166,122.33/249,207.95 = 53,765.21/x
  3. Step 3: Cross multiply
    166,122.33x = 249,207.95 × 53,765.21
  4. Step 4: Simplify right side
    166,122.33x = 13,398,716,250.55
  5. Step 5: Solve for x
    x = 13,398,716,250.55/166,122.33
  6. Step 6: Final answer
    x = 80,655.72

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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.