Home / 159,427.22-238,976.80-70,722.50

Finding the Fourth Proportional to 159,427.22, 238,976.80 and 70,722.50

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Solution

The fourth proportional to 159,427.22, 238,976.80 and 70,722.50 is: 106,010.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,427.22 : 238,976.80 = 70,722.50 : x
  2. Step 2: Convert to fraction form
    159,427.22/238,976.80 = 70,722.50/x
  3. Step 3: Cross multiply
    159,427.22x = 238,976.80 × 70,722.50
  4. Step 4: Simplify right side
    159,427.22x = 16,901,036,738
  5. Step 5: Solve for x
    x = 16,901,036,738/159,427.22
  6. Step 6: Final answer
    x = 106,010.99

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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.