Home / 234,459.19-351,126.87-120,306.61

Finding the Fourth Proportional to 234,459.19, 351,126.87 and 120,306.61

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Solution

The fourth proportional to 234,459.19, 351,126.87 and 120,306.61 is: 180,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,459.19 : 351,126.87 = 120,306.61 : x
  2. Step 2: Convert to fraction form
    234,459.19/351,126.87 = 120,306.61/x
  3. Step 3: Cross multiply
    234,459.19x = 351,126.87 × 120,306.61
  4. Step 4: Simplify right side
    234,459.19x = 42,242,883,409.61
  5. Step 5: Solve for x
    x = 42,242,883,409.61/234,459.19
  6. Step 6: Final answer
    x = 180,171.58

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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.