Home / 134,905.57-202,188.22-68,362.45

Finding the Fourth Proportional to 134,905.57, 202,188.22 and 68,362.45

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Solution

The fourth proportional to 134,905.57, 202,188.22 and 68,362.45 is: 102,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,905.57 : 202,188.22 = 68,362.45 : x
  2. Step 2: Convert to fraction form
    134,905.57/202,188.22 = 68,362.45/x
  3. Step 3: Cross multiply
    134,905.57x = 202,188.22 × 68,362.45
  4. Step 4: Simplify right side
    134,905.57x = 13,822,082,080.34
  5. Step 5: Solve for x
    x = 13,822,082,080.34/134,905.57
  6. Step 6: Final answer
    x = 102,457.46

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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.