Home / 105,905.44-158,822.90-42,709.24

Finding the Fourth Proportional to 105,905.44, 158,822.90 and 42,709.24

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Solution

The fourth proportional to 105,905.44, 158,822.90 and 42,709.24 is: 64,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,905.44 : 158,822.90 = 42,709.24 : x
  2. Step 2: Convert to fraction form
    105,905.44/158,822.90 = 42,709.24/x
  3. Step 3: Cross multiply
    105,905.44x = 158,822.90 × 42,709.24
  4. Step 4: Simplify right side
    105,905.44x = 6,783,205,353.60
  5. Step 5: Solve for x
    x = 6,783,205,353.60/105,905.44
  6. Step 6: Final answer
    x = 64,049.64

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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.