Home / 212,269.86-318,148.47-93,806.82

Finding the Fourth Proportional to 212,269.86, 318,148.47 and 93,806.82

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Solution

The fourth proportional to 212,269.86, 318,148.47 and 93,806.82 is: 140,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,269.86 : 318,148.47 = 93,806.82 : x
  2. Step 2: Convert to fraction form
    212,269.86/318,148.47 = 93,806.82/x
  3. Step 3: Cross multiply
    212,269.86x = 318,148.47 × 93,806.82
  4. Step 4: Simplify right side
    212,269.86x = 29,844,496,258.57
  5. Step 5: Solve for x
    x = 29,844,496,258.57/212,269.86
  6. Step 6: Final answer
    x = 140,596.96

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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.