Home / 110,274.31-152,181.92-78,066.45

Finding the Fourth Proportional to 110,274.31, 152,181.92 and 78,066.45

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Solution

The fourth proportional to 110,274.31, 152,181.92 and 78,066.45 is: 107,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,274.31 : 152,181.92 = 78,066.45 : x
  2. Step 2: Convert to fraction form
    110,274.31/152,181.92 = 78,066.45/x
  3. Step 3: Cross multiply
    110,274.31x = 152,181.92 × 78,066.45
  4. Step 4: Simplify right side
    110,274.31x = 11,880,302,443.75
  5. Step 5: Solve for x
    x = 11,880,302,443.75/110,274.31
  6. Step 6: Final answer
    x = 107,734.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.