Home / 183,205.80-274,743.89-87,131.70

Finding the Fourth Proportional to 183,205.80, 274,743.89 and 87,131.70

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Solution

The fourth proportional to 183,205.80, 274,743.89 and 87,131.70 is: 130,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,205.80 : 274,743.89 = 87,131.70 : x
  2. Step 2: Convert to fraction form
    183,205.80/274,743.89 = 87,131.70/x
  3. Step 3: Cross multiply
    183,205.80x = 274,743.89 × 87,131.70
  4. Step 4: Simplify right side
    183,205.80x = 23,938,900,826.59
  5. Step 5: Solve for x
    x = 23,938,900,826.59/183,205.80
  6. Step 6: Final answer
    x = 130,666.72

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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.