Home / 234,018.04-351,051.60-76,258.72

Finding the Fourth Proportional to 234,018.04, 351,051.60 and 76,258.72

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Solution

The fourth proportional to 234,018.04, 351,051.60 and 76,258.72 is: 114,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,018.04 : 351,051.60 = 76,258.72 : x
  2. Step 2: Convert to fraction form
    234,018.04/351,051.60 = 76,258.72/x
  3. Step 3: Cross multiply
    234,018.04x = 351,051.60 × 76,258.72
  4. Step 4: Simplify right side
    234,018.04x = 26,770,745,669.95
  5. Step 5: Solve for x
    x = 26,770,745,669.95/234,018.04
  6. Step 6: Final answer
    x = 114,396.08

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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.