Home / 152,131.96-209,916.66-88,472.44

Finding the Fourth Proportional to 152,131.96, 209,916.66 and 88,472.44

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Solution

The fourth proportional to 152,131.96, 209,916.66 and 88,472.44 is: 122,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,131.96 : 209,916.66 = 88,472.44 : x
  2. Step 2: Convert to fraction form
    152,131.96/209,916.66 = 88,472.44/x
  3. Step 3: Cross multiply
    152,131.96x = 209,916.66 × 88,472.44
  4. Step 4: Simplify right side
    152,131.96x = 18,571,839,106.85
  5. Step 5: Solve for x
    x = 18,571,839,106.85/152,131.96
  6. Step 6: Final answer
    x = 122,077.17

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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.