Home / 105,745.42-158,581.24-42,549.17

Finding the Fourth Proportional to 105,745.42, 158,581.24 and 42,549.17

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Solution

The fourth proportional to 105,745.42, 158,581.24 and 42,549.17 is: 63,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,745.42 : 158,581.24 = 42,549.17 : x
  2. Step 2: Convert to fraction form
    105,745.42/158,581.24 = 42,549.17/x
  3. Step 3: Cross multiply
    105,745.42x = 158,581.24 × 42,549.17
  4. Step 4: Simplify right side
    105,745.42x = 6,747,500,817.66
  5. Step 5: Solve for x
    x = 6,747,500,817.66/105,745.42
  6. Step 6: Final answer
    x = 63,808.92

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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.