Home / 166,272.20-249,440.70-71,502.20

Finding the Fourth Proportional to 166,272.20, 249,440.70 and 71,502.20

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Solution

The fourth proportional to 166,272.20, 249,440.70 and 71,502.20 is: 107,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,272.20 : 249,440.70 = 71,502.20 : x
  2. Step 2: Convert to fraction form
    166,272.20/249,440.70 = 71,502.20/x
  3. Step 3: Cross multiply
    166,272.20x = 249,440.70 × 71,502.20
  4. Step 4: Simplify right side
    166,272.20x = 17,835,558,819.54
  5. Step 5: Solve for x
    x = 17,835,558,819.54/166,272.20
  6. Step 6: Final answer
    x = 107,267.23

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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.