Home / 212,535.90-318,856.10-62,775.41

Finding the Fourth Proportional to 212,535.90, 318,856.10 and 62,775.41

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Solution

The fourth proportional to 212,535.90, 318,856.10 and 62,775.41 is: 94,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,535.90 : 318,856.10 = 62,775.41 : x
  2. Step 2: Convert to fraction form
    212,535.90/318,856.10 = 62,775.41/x
  3. Step 3: Cross multiply
    212,535.90x = 318,856.10 × 62,775.41
  4. Step 4: Simplify right side
    212,535.90x = 20,016,320,500.34
  5. Step 5: Solve for x
    x = 20,016,320,500.34/212,535.90
  6. Step 6: Final answer
    x = 94,178.54

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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.