Home / 130,044.96-178,772.67-111,828.87

Finding the Fourth Proportional to 130,044.96, 178,772.67 and 111,828.87

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Solution

The fourth proportional to 130,044.96, 178,772.67 and 111,828.87 is: 153,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,044.96 : 178,772.67 = 111,828.87 : x
  2. Step 2: Convert to fraction form
    130,044.96/178,772.67 = 111,828.87/x
  3. Step 3: Cross multiply
    130,044.96x = 178,772.67 × 111,828.87
  4. Step 4: Simplify right side
    130,044.96x = 19,991,945,672.98
  5. Step 5: Solve for x
    x = 19,991,945,672.98/130,044.96
  6. Step 6: Final answer
    x = 153,731.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.