Home / 105,999.77-158,997.38-31,118.24

Finding the Fourth Proportional to 105,999.77, 158,997.38 and 31,118.24

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Solution

The fourth proportional to 105,999.77, 158,997.38 and 31,118.24 is: 46,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,999.77 : 158,997.38 = 31,118.24 : x
  2. Step 2: Convert to fraction form
    105,999.77/158,997.38 = 31,118.24/x
  3. Step 3: Cross multiply
    105,999.77x = 158,997.38 × 31,118.24
  4. Step 4: Simplify right side
    105,999.77x = 4,947,717,679.63
  5. Step 5: Solve for x
    x = 4,947,717,679.63/105,999.77
  6. Step 6: Final answer
    x = 46,676.69

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1.5x scale

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.