Home / 212,823.80-318,846.90-173,166.20

Finding the Fourth Proportional to 212,823.80, 318,846.90 and 173,166.20

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Solution

The fourth proportional to 212,823.80, 318,846.90 and 173,166.20 is: 259,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,823.80 : 318,846.90 = 173,166.20 : x
  2. Step 2: Convert to fraction form
    212,823.80/318,846.90 = 173,166.20/x
  3. Step 3: Cross multiply
    212,823.80x = 318,846.90 × 173,166.20
  4. Step 4: Simplify right side
    212,823.80x = 55,213,506,054.78
  5. Step 5: Solve for x
    x = 55,213,506,054.78/212,823.80
  6. Step 6: Final answer
    x = 259,432.95

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1.5x scale

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.