Home / 152,949.70-211,127.42-131,352.72

Finding the Fourth Proportional to 152,949.70, 211,127.42 and 131,352.72

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Solution

The fourth proportional to 152,949.70, 211,127.42 and 131,352.72 is: 181,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,949.70 : 211,127.42 = 131,352.72 : x
  2. Step 2: Convert to fraction form
    152,949.70/211,127.42 = 131,352.72/x
  3. Step 3: Cross multiply
    152,949.70x = 211,127.42 × 131,352.72
  4. Step 4: Simplify right side
    152,949.70x = 27,732,161,211.96
  5. Step 5: Solve for x
    x = 27,732,161,211.96/152,949.70
  6. Step 6: Final answer
    x = 181,315.57

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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.