Home / 251,452.71-346,919.81-142,545.37

Finding the Fourth Proportional to 251,452.71, 346,919.81 and 142,545.37

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Solution

The fourth proportional to 251,452.71, 346,919.81 and 142,545.37 is: 196,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,452.71 : 346,919.81 = 142,545.37 : x
  2. Step 2: Convert to fraction form
    251,452.71/346,919.81 = 142,545.37/x
  3. Step 3: Cross multiply
    251,452.71x = 346,919.81 × 142,545.37
  4. Step 4: Simplify right side
    251,452.71x = 49,451,812,676.78
  5. Step 5: Solve for x
    x = 49,451,812,676.78/251,452.71
  6. Step 6: Final answer
    x = 196,664.46

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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.