Home / 215,868.86-323,774.12-58,106.78

Finding the Fourth Proportional to 215,868.86, 323,774.12 and 58,106.78

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Solution

The fourth proportional to 215,868.86, 323,774.12 and 58,106.78 is: 87,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,868.86 : 323,774.12 = 58,106.78 : x
  2. Step 2: Convert to fraction form
    215,868.86/323,774.12 = 58,106.78/x
  3. Step 3: Cross multiply
    215,868.86x = 323,774.12 × 58,106.78
  4. Step 4: Simplify right side
    215,868.86x = 18,813,472,515.24
  5. Step 5: Solve for x
    x = 18,813,472,515.24/215,868.86
  6. Step 6: Final answer
    x = 87,152.32

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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.