Home / 152,951.22-211,065.15-84,972.54

Finding the Fourth Proportional to 152,951.22, 211,065.15 and 84,972.54

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Solution

The fourth proportional to 152,951.22, 211,065.15 and 84,972.54 is: 117,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,951.22 : 211,065.15 = 84,972.54 : x
  2. Step 2: Convert to fraction form
    152,951.22/211,065.15 = 84,972.54/x
  3. Step 3: Cross multiply
    152,951.22x = 211,065.15 × 84,972.54
  4. Step 4: Simplify right side
    152,951.22x = 17,934,741,900.98
  5. Step 5: Solve for x
    x = 17,934,741,900.98/152,951.22
  6. Step 6: Final answer
    x = 117,257.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.