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Finding the Fourth Proportional to 183,490.76, 275,010.26 and 87,478.55

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Solution

The fourth proportional to 183,490.76, 275,010.26 and 87,478.55 is: 131,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,490.76 : 275,010.26 = 87,478.55 : x
  2. Step 2: Convert to fraction form
    183,490.76/275,010.26 = 87,478.55/x
  3. Step 3: Cross multiply
    183,490.76x = 275,010.26 × 87,478.55
  4. Step 4: Simplify right side
    183,490.76x = 24,057,499,030.06
  5. Step 5: Solve for x
    x = 24,057,499,030.06/183,490.76
  6. Step 6: Final answer
    x = 131,110.14

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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.