Home / 212,004.04-318,017.13-54,233.86

Finding the Fourth Proportional to 212,004.04, 318,017.13 and 54,233.86

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Solution

The fourth proportional to 212,004.04, 318,017.13 and 54,233.86 is: 81,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,004.04 : 318,017.13 = 54,233.86 : x
  2. Step 2: Convert to fraction form
    212,004.04/318,017.13 = 54,233.86/x
  3. Step 3: Cross multiply
    212,004.04x = 318,017.13 × 54,233.86
  4. Step 4: Simplify right side
    212,004.04x = 17,247,296,506.02
  5. Step 5: Solve for x
    x = 17,247,296,506.02/212,004.04
  6. Step 6: Final answer
    x = 81,353.62

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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.