Home / 212,162.02-318,219.27-54,394.18

Finding the Fourth Proportional to 212,162.02, 318,219.27 and 54,394.18

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Solution

The fourth proportional to 212,162.02, 318,219.27 and 54,394.18 is: 81,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,162.02 : 318,219.27 = 54,394.18 : x
  2. Step 2: Convert to fraction form
    212,162.02/318,219.27 = 54,394.18/x
  3. Step 3: Cross multiply
    212,162.02x = 318,219.27 × 54,394.18
  4. Step 4: Simplify right side
    212,162.02x = 17,309,276,251.85
  5. Step 5: Solve for x
    x = 17,309,276,251.85/212,162.02
  6. Step 6: Final answer
    x = 81,585.18

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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.