Home / 166,393.46-249,502.70-143,123.78

Finding the Fourth Proportional to 166,393.46, 249,502.70 and 143,123.78

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Solution

The fourth proportional to 166,393.46, 249,502.70 and 143,123.78 is: 214,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,393.46 : 249,502.70 = 143,123.78 : x
  2. Step 2: Convert to fraction form
    166,393.46/249,502.70 = 143,123.78/x
  3. Step 3: Cross multiply
    166,393.46x = 249,502.70 × 143,123.78
  4. Step 4: Simplify right side
    166,393.46x = 35,709,769,544.21
  5. Step 5: Solve for x
    x = 35,709,769,544.21/166,393.46
  6. Step 6: Final answer
    x = 214,610.42

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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.