Home / 174,427.80-261,641.70-172,584.60

Finding the Fourth Proportional to 174,427.80, 261,641.70 and 172,584.60

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Solution

The fourth proportional to 174,427.80, 261,641.70 and 172,584.60 is: 258,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,427.80 : 261,641.70 = 172,584.60 : x
  2. Step 2: Convert to fraction form
    174,427.80/261,641.70 = 172,584.60/x
  3. Step 3: Cross multiply
    174,427.80x = 261,641.70 × 172,584.60
  4. Step 4: Simplify right side
    174,427.80x = 45,155,328,137.82
  5. Step 5: Solve for x
    x = 45,155,328,137.82/174,427.80
  6. Step 6: Final answer
    x = 258,876.90

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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.