Home / 119,861.28-179,779.59-75,353.07

Finding the Fourth Proportional to 119,861.28, 179,779.59 and 75,353.07

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Solution

The fourth proportional to 119,861.28, 179,779.59 and 75,353.07 is: 113,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.28 : 179,779.59 = 75,353.07 : x
  2. Step 2: Convert to fraction form
    119,861.28/179,779.59 = 75,353.07/x
  3. Step 3: Cross multiply
    119,861.28x = 179,779.59 × 75,353.07
  4. Step 4: Simplify right side
    119,861.28x = 13,546,944,029.84
  5. Step 5: Solve for x
    x = 13,546,944,029.84/119,861.28
  6. Step 6: Final answer
    x = 113,021.85

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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.