Home / 152,918.58-229,453.02-68,738.22

Finding the Fourth Proportional to 152,918.58, 229,453.02 and 68,738.22

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Solution

The fourth proportional to 152,918.58, 229,453.02 and 68,738.22 is: 103,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,918.58 : 229,453.02 = 68,738.22 : x
  2. Step 2: Convert to fraction form
    152,918.58/229,453.02 = 68,738.22/x
  3. Step 3: Cross multiply
    152,918.58x = 229,453.02 × 68,738.22
  4. Step 4: Simplify right side
    152,918.58x = 15,772,192,168.42
  5. Step 5: Solve for x
    x = 15,772,192,168.42/152,918.58
  6. Step 6: Final answer
    x = 103,141.11

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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.