Home / 215,343.36-323,066.16-67,599.36

Finding the Fourth Proportional to 215,343.36, 323,066.16 and 67,599.36

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Solution

The fourth proportional to 215,343.36, 323,066.16 and 67,599.36 is: 101,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,343.36 : 323,066.16 = 67,599.36 : x
  2. Step 2: Convert to fraction form
    215,343.36/323,066.16 = 67,599.36/x
  3. Step 3: Cross multiply
    215,343.36x = 323,066.16 × 67,599.36
  4. Step 4: Simplify right side
    215,343.36x = 21,839,065,653.66
  5. Step 5: Solve for x
    x = 21,839,065,653.66/215,343.36
  6. Step 6: Final answer
    x = 101,415.09

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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.