Home / 146,053.40-217,791.50-140,849.70

Finding the Fourth Proportional to 146,053.40, 217,791.50 and 140,849.70

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Solution

The fourth proportional to 146,053.40, 217,791.50 and 140,849.70 is: 210,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,053.40 : 217,791.50 = 140,849.70 : x
  2. Step 2: Convert to fraction form
    146,053.40/217,791.50 = 140,849.70/x
  3. Step 3: Cross multiply
    146,053.40x = 217,791.50 × 140,849.70
  4. Step 4: Simplify right side
    146,053.40x = 30,675,865,916.58
  5. Step 5: Solve for x
    x = 30,675,865,916.58/146,053.40
  6. Step 6: Final answer
    x = 210,031.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.