Home / 105,499.23-158,248.35-43,169.73

Finding the Fourth Proportional to 105,499.23, 158,248.35 and 43,169.73

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Solution

The fourth proportional to 105,499.23, 158,248.35 and 43,169.73 is: 64,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,499.23 : 158,248.35 = 43,169.73 : x
  2. Step 2: Convert to fraction form
    105,499.23/158,248.35 = 43,169.73/x
  3. Step 3: Cross multiply
    105,499.23x = 158,248.35 × 43,169.73
  4. Step 4: Simplify right side
    105,499.23x = 6,831,538,542.45
  5. Step 5: Solve for x
    x = 6,831,538,542.45/105,499.23
  6. Step 6: Final answer
    x = 64,754.39

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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.