Home / 143,651.88-215,276.13-113,533.75

Finding the Fourth Proportional to 143,651.88, 215,276.13 and 113,533.75

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Solution

The fourth proportional to 143,651.88, 215,276.13 and 113,533.75 is: 170,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,651.88 : 215,276.13 = 113,533.75 : x
  2. Step 2: Convert to fraction form
    143,651.88/215,276.13 = 113,533.75/x
  3. Step 3: Cross multiply
    143,651.88x = 215,276.13 × 113,533.75
  4. Step 4: Simplify right side
    143,651.88x = 24,441,106,593.48
  5. Step 5: Solve for x
    x = 24,441,106,593.48/143,651.88
  6. Step 6: Final answer
    x = 170,141.22

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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.