Home / 105,143.27-157,735.45-38,583.88

Finding the Fourth Proportional to 105,143.27, 157,735.45 and 38,583.88

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Solution

The fourth proportional to 105,143.27, 157,735.45 and 38,583.88 is: 57,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,143.27 : 157,735.45 = 38,583.88 : x
  2. Step 2: Convert to fraction form
    105,143.27/157,735.45 = 38,583.88/x
  3. Step 3: Cross multiply
    105,143.27x = 157,735.45 × 38,583.88
  4. Step 4: Simplify right side
    105,143.27x = 6,086,045,328.44
  5. Step 5: Solve for x
    x = 6,086,045,328.44/105,143.27
  6. Step 6: Final answer
    x = 57,883.36

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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.