Home / 234,312.96-351,504.64-68,079.36

Finding the Fourth Proportional to 234,312.96, 351,504.64 and 68,079.36

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Solution

The fourth proportional to 234,312.96, 351,504.64 and 68,079.36 is: 102,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,312.96 : 351,504.64 = 68,079.36 : x
  2. Step 2: Convert to fraction form
    234,312.96/351,504.64 = 68,079.36/x
  3. Step 3: Cross multiply
    234,312.96x = 351,504.64 × 68,079.36
  4. Step 4: Simplify right side
    234,312.96x = 23,930,210,928.23
  5. Step 5: Solve for x
    x = 23,930,210,928.23/234,312.96
  6. Step 6: Final answer
    x = 102,129.27

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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.