Home / 105,473.02-158,234.92-43,143.70

Finding the Fourth Proportional to 105,473.02, 158,234.92 and 43,143.70

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Solution

The fourth proportional to 105,473.02, 158,234.92 and 43,143.70 is: 64,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.02 : 158,234.92 = 43,143.70 : x
  2. Step 2: Convert to fraction form
    105,473.02/158,234.92 = 43,143.70/x
  3. Step 3: Cross multiply
    105,473.02x = 158,234.92 × 43,143.70
  4. Step 4: Simplify right side
    105,473.02x = 6,826,839,918.00
  5. Step 5: Solve for x
    x = 6,826,839,918.00/105,473.02
  6. Step 6: Final answer
    x = 64,725.94

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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.