Home / 143,932.20-215,898.30-50,428.20

Finding the Fourth Proportional to 143,932.20, 215,898.30 and 50,428.20

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Solution

The fourth proportional to 143,932.20, 215,898.30 and 50,428.20 is: 75,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932.20 : 215,898.30 = 50,428.20 : x
  2. Step 2: Convert to fraction form
    143,932.20/215,898.30 = 50,428.20/x
  3. Step 3: Cross multiply
    143,932.20x = 215,898.30 × 50,428.20
  4. Step 4: Simplify right side
    143,932.20x = 10,887,362,652.06
  5. Step 5: Solve for x
    x = 10,887,362,652.06/143,932.20
  6. Step 6: Final answer
    x = 75,642.30

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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.