Home / 212,003.04-318,015.63-54,232.86

Finding the Fourth Proportional to 212,003.04, 318,015.63 and 54,232.86

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Solution

The fourth proportional to 212,003.04, 318,015.63 and 54,232.86 is: 81,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,003.04 : 318,015.63 = 54,232.86 : x
  2. Step 2: Convert to fraction form
    212,003.04/318,015.63 = 54,232.86/x
  3. Step 3: Cross multiply
    212,003.04x = 318,015.63 × 54,232.86
  4. Step 4: Simplify right side
    212,003.04x = 17,246,897,139.60
  5. Step 5: Solve for x
    x = 17,246,897,139.60/212,003.04
  6. Step 6: Final answer
    x = 81,352.12

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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.