Home / 161,804.12-242,683.50-68,288

Finding the Fourth Proportional to 161,804.12, 242,683.50 and 68,288

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Solution

The fourth proportional to 161,804.12, 242,683.50 and 68,288 is: 102,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,804.12 : 242,683.50 = 68,288 : x
  2. Step 2: Convert to fraction form
    161,804.12/242,683.50 = 68,288/x
  3. Step 3: Cross multiply
    161,804.12x = 242,683.50 × 68,288
  4. Step 4: Simplify right side
    161,804.12x = 16,572,370,848
  5. Step 5: Solve for x
    x = 16,572,370,848/161,804.12
  6. Step 6: Final answer
    x = 102,422.43

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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.