Home / 165,787.30-248,680.95-41,128.30

Finding the Fourth Proportional to 165,787.30, 248,680.95 and 41,128.30

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Solution

The fourth proportional to 165,787.30, 248,680.95 and 41,128.30 is: 61,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.30 : 248,680.95 = 41,128.30 : x
  2. Step 2: Convert to fraction form
    165,787.30/248,680.95 = 41,128.30/x
  3. Step 3: Cross multiply
    165,787.30x = 248,680.95 × 41,128.30
  4. Step 4: Simplify right side
    165,787.30x = 10,227,824,715.89
  5. Step 5: Solve for x
    x = 10,227,824,715.89/165,787.30
  6. Step 6: Final answer
    x = 61,692.45

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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.