Home / 143,700.20-215,417.46-73,424.60

Finding the Fourth Proportional to 143,700.20, 215,417.46 and 73,424.60

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Solution

The fourth proportional to 143,700.20, 215,417.46 and 73,424.60 is: 110,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,700.20 : 215,417.46 = 73,424.60 : x
  2. Step 2: Convert to fraction form
    143,700.20/215,417.46 = 73,424.60/x
  3. Step 3: Cross multiply
    143,700.20x = 215,417.46 × 73,424.60
  4. Step 4: Simplify right side
    143,700.20x = 15,816,940,833.52
  5. Step 5: Solve for x
    x = 15,816,940,833.52/143,700.20
  6. Step 6: Final answer
    x = 110,069.02

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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.