Home / 197,545.50-272,614.71-108,123.42

Finding the Fourth Proportional to 197,545.50, 272,614.71 and 108,123.42

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Solution

The fourth proportional to 197,545.50, 272,614.71 and 108,123.42 is: 149,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,545.50 : 272,614.71 = 108,123.42 : x
  2. Step 2: Convert to fraction form
    197,545.50/272,614.71 = 108,123.42/x
  3. Step 3: Cross multiply
    197,545.50x = 272,614.71 × 108,123.42
  4. Step 4: Simplify right side
    197,545.50x = 29,476,034,787.51
  5. Step 5: Solve for x
    x = 29,476,034,787.51/197,545.50
  6. Step 6: Final answer
    x = 149,211.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.