Home / 137,320.60-205,592.10-123,323.80

Finding the Fourth Proportional to 137,320.60, 205,592.10 and 123,323.80

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Solution

The fourth proportional to 137,320.60, 205,592.10 and 123,323.80 is: 184,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,320.60 : 205,592.10 = 123,323.80 : x
  2. Step 2: Convert to fraction form
    137,320.60/205,592.10 = 123,323.80/x
  3. Step 3: Cross multiply
    137,320.60x = 205,592.10 × 123,323.80
  4. Step 4: Simplify right side
    137,320.60x = 25,354,399,021.98
  5. Step 5: Solve for x
    x = 25,354,399,021.98/137,320.60
  6. Step 6: Final answer
    x = 184,636.53

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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.