Home / 235,116-324,559.36-158,738.50

Finding the Fourth Proportional to 235,116, 324,559.36 and 158,738.50

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Solution

The fourth proportional to 235,116, 324,559.36 and 158,738.50 is: 219,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,116 : 324,559.36 = 158,738.50 : x
  2. Step 2: Convert to fraction form
    235,116/324,559.36 = 158,738.50/x
  3. Step 3: Cross multiply
    235,116x = 324,559.36 × 158,738.50
  4. Step 4: Simplify right side
    235,116x = 51,520,065,967.36
  5. Step 5: Solve for x
    x = 51,520,065,967.36/235,116
  6. Step 6: Final answer
    x = 219,126.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.