Home / 105,683.56-158,542.80-52,378.03

Finding the Fourth Proportional to 105,683.56, 158,542.80 and 52,378.03

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Solution

The fourth proportional to 105,683.56, 158,542.80 and 52,378.03 is: 78,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683.56 : 158,542.80 = 52,378.03 : x
  2. Step 2: Convert to fraction form
    105,683.56/158,542.80 = 52,378.03/x
  3. Step 3: Cross multiply
    105,683.56x = 158,542.80 × 52,378.03
  4. Step 4: Simplify right side
    105,683.56x = 8,304,159,534.68
  5. Step 5: Solve for x
    x = 8,304,159,534.68/105,683.56
  6. Step 6: Final answer
    x = 78,575.70

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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.