Home / 166,067.45-249,142.89-47,739

Finding the Fourth Proportional to 166,067.45, 249,142.89 and 47,739

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Solution

The fourth proportional to 166,067.45, 249,142.89 and 47,739 is: 71,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,067.45 : 249,142.89 = 47,739 : x
  2. Step 2: Convert to fraction form
    166,067.45/249,142.89 = 47,739/x
  3. Step 3: Cross multiply
    166,067.45x = 249,142.89 × 47,739
  4. Step 4: Simplify right side
    166,067.45x = 11,893,832,425.71
  5. Step 5: Solve for x
    x = 11,893,832,425.71/166,067.45
  6. Step 6: Final answer
    x = 71,620.49

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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.