Home / 166,169.40-249,001.92-121,825.68

Finding the Fourth Proportional to 166,169.40, 249,001.92 and 121,825.68

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Solution

The fourth proportional to 166,169.40, 249,001.92 and 121,825.68 is: 182,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,169.40 : 249,001.92 = 121,825.68 : x
  2. Step 2: Convert to fraction form
    166,169.40/249,001.92 = 121,825.68/x
  3. Step 3: Cross multiply
    166,169.40x = 249,001.92 × 121,825.68
  4. Step 4: Simplify right side
    166,169.40x = 30,334,828,225.31
  5. Step 5: Solve for x
    x = 30,334,828,225.31/166,169.40
  6. Step 6: Final answer
    x = 182,553.64

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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.