Home / 166,078.20-249,117.30-142,750.20

Finding the Fourth Proportional to 166,078.20, 249,117.30 and 142,750.20

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Solution

The fourth proportional to 166,078.20, 249,117.30 and 142,750.20 is: 214,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.20 : 249,117.30 = 142,750.20 : x
  2. Step 2: Convert to fraction form
    166,078.20/249,117.30 = 142,750.20/x
  3. Step 3: Cross multiply
    166,078.20x = 249,117.30 × 142,750.20
  4. Step 4: Simplify right side
    166,078.20x = 35,561,544,398.46
  5. Step 5: Solve for x
    x = 35,561,544,398.46/166,078.20
  6. Step 6: Final answer
    x = 214,125.30

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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.