Home / 158,816.19-238,000.31-87,770.82

Finding the Fourth Proportional to 158,816.19, 238,000.31 and 87,770.82

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Solution

The fourth proportional to 158,816.19, 238,000.31 and 87,770.82 is: 131,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.19 : 238,000.31 = 87,770.82 : x
  2. Step 2: Convert to fraction form
    158,816.19/238,000.31 = 87,770.82/x
  3. Step 3: Cross multiply
    158,816.19x = 238,000.31 × 87,770.82
  4. Step 4: Simplify right side
    158,816.19x = 20,889,481,178.95
  5. Step 5: Solve for x
    x = 20,889,481,178.95/158,816.19
  6. Step 6: Final answer
    x = 131,532.45

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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.