Home / 113,999.30-170,972.91-42,929.43

Finding the Fourth Proportional to 113,999.30, 170,972.91 and 42,929.43

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Solution

The fourth proportional to 113,999.30, 170,972.91 and 42,929.43 is: 64,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.30 : 170,972.91 = 42,929.43 : x
  2. Step 2: Convert to fraction form
    113,999.30/170,972.91 = 42,929.43/x
  3. Step 3: Cross multiply
    113,999.30x = 170,972.91 × 42,929.43
  4. Step 4: Simplify right side
    113,999.30x = 7,339,769,571.74
  5. Step 5: Solve for x
    x = 7,339,769,571.74/113,999.30
  6. Step 6: Final answer
    x = 64,384.34

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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.