Home / 215,868.64-323,606.93-75,550.72

Finding the Fourth Proportional to 215,868.64, 323,606.93 and 75,550.72

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Solution

The fourth proportional to 215,868.64, 323,606.93 and 75,550.72 is: 113,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,868.64 : 323,606.93 = 75,550.72 : x
  2. Step 2: Convert to fraction form
    215,868.64/323,606.93 = 75,550.72/x
  3. Step 3: Cross multiply
    215,868.64x = 323,606.93 × 75,550.72
  4. Step 4: Simplify right side
    215,868.64x = 24,448,736,558.49
  5. Step 5: Solve for x
    x = 24,448,736,558.49/215,868.64
  6. Step 6: Final answer
    x = 113,257.47

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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.