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Finding the Fourth Proportional to 183,570.74, 275,241.36 and 76,925.87

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Solution

The fourth proportional to 183,570.74, 275,241.36 and 76,925.87 is: 115,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,570.74 : 275,241.36 = 76,925.87 : x
  2. Step 2: Convert to fraction form
    183,570.74/275,241.36 = 76,925.87/x
  3. Step 3: Cross multiply
    183,570.74x = 275,241.36 × 76,925.87
  4. Step 4: Simplify right side
    183,570.74x = 21,173,181,077.98
  5. Step 5: Solve for x
    x = 21,173,181,077.98/183,570.74
  6. Step 6: Final answer
    x = 115,340.72

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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.