Home / 173,478.69-260,009.82-89,278.59

Finding the Fourth Proportional to 173,478.69, 260,009.82 and 89,278.59

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Solution

The fourth proportional to 173,478.69, 260,009.82 and 89,278.59 is: 133,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,478.69 : 260,009.82 = 89,278.59 : x
  2. Step 2: Convert to fraction form
    173,478.69/260,009.82 = 89,278.59/x
  3. Step 3: Cross multiply
    173,478.69x = 260,009.82 × 89,278.59
  4. Step 4: Simplify right side
    173,478.69x = 23,213,310,115.75
  5. Step 5: Solve for x
    x = 23,213,310,115.75/173,478.69
  6. Step 6: Final answer
    x = 133,810.73

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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.