Home / 166,188.86-249,183.05-77,462.27

Finding the Fourth Proportional to 166,188.86, 249,183.05 and 77,462.27

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Solution

The fourth proportional to 166,188.86, 249,183.05 and 77,462.27 is: 116,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,188.86 : 249,183.05 = 77,462.27 : x
  2. Step 2: Convert to fraction form
    166,188.86/249,183.05 = 77,462.27/x
  3. Step 3: Cross multiply
    166,188.86x = 249,183.05 × 77,462.27
  4. Step 4: Simplify right side
    166,188.86x = 19,302,284,698.52
  5. Step 5: Solve for x
    x = 19,302,284,698.52/166,188.86
  6. Step 6: Final answer
    x = 116,146.68

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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.