Home / 117,664.38-176,571.63-42,777.34

Finding the Fourth Proportional to 117,664.38, 176,571.63 and 42,777.34

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Solution

The fourth proportional to 117,664.38, 176,571.63 and 42,777.34 is: 64,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.38 : 176,571.63 = 42,777.34 : x
  2. Step 2: Convert to fraction form
    117,664.38/176,571.63 = 42,777.34/x
  3. Step 3: Cross multiply
    117,664.38x = 176,571.63 × 42,777.34
  4. Step 4: Simplify right side
    117,664.38x = 7,553,264,209.44
  5. Step 5: Solve for x
    x = 7,553,264,209.44/117,664.38
  6. Step 6: Final answer
    x = 64,193.29

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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.