Home / 119,679.70-179,535.96-53,118.34

Finding the Fourth Proportional to 119,679.70, 179,535.96 and 53,118.34

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Solution

The fourth proportional to 119,679.70, 179,535.96 and 53,118.34 is: 79,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,679.70 : 179,535.96 = 53,118.34 : x
  2. Step 2: Convert to fraction form
    119,679.70/179,535.96 = 53,118.34/x
  3. Step 3: Cross multiply
    119,679.70x = 179,535.96 × 53,118.34
  4. Step 4: Simplify right side
    119,679.70x = 9,536,652,165.51
  5. Step 5: Solve for x
    x = 9,536,652,165.51/119,679.70
  6. Step 6: Final answer
    x = 79,684.79

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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.