Home / 166,851.60-249,981.48-138,606

Finding the Fourth Proportional to 166,851.60, 249,981.48 and 138,606

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Solution

The fourth proportional to 166,851.60, 249,981.48 and 138,606 is: 207,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,851.60 : 249,981.48 = 138,606 : x
  2. Step 2: Convert to fraction form
    166,851.60/249,981.48 = 138,606/x
  3. Step 3: Cross multiply
    166,851.60x = 249,981.48 × 138,606
  4. Step 4: Simplify right side
    166,851.60x = 34,648,933,016.88
  5. Step 5: Solve for x
    x = 34,648,933,016.88/166,851.60
  6. Step 6: Final answer
    x = 207,663.18

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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.