Home / 245,624.51-368,436.74-68,131.53

Finding the Fourth Proportional to 245,624.51, 368,436.74 and 68,131.53

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Solution

The fourth proportional to 245,624.51, 368,436.74 and 68,131.53 is: 102,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.51 : 368,436.74 = 68,131.53 : x
  2. Step 2: Convert to fraction form
    245,624.51/368,436.74 = 68,131.53/x
  3. Step 3: Cross multiply
    245,624.51x = 368,436.74 × 68,131.53
  4. Step 4: Simplify right side
    245,624.51x = 25,102,158,463.75
  5. Step 5: Solve for x
    x = 25,102,158,463.75/245,624.51
  6. Step 6: Final answer
    x = 102,197.29

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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.