Home / 116,130.41-174,195.23-31,890.65

Finding the Fourth Proportional to 116,130.41, 174,195.23 and 31,890.65

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Solution

The fourth proportional to 116,130.41, 174,195.23 and 31,890.65 is: 47,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,130.41 : 174,195.23 = 31,890.65 : x
  2. Step 2: Convert to fraction form
    116,130.41/174,195.23 = 31,890.65/x
  3. Step 3: Cross multiply
    116,130.41x = 174,195.23 × 31,890.65
  4. Step 4: Simplify right side
    116,130.41x = 5,555,198,081.17
  5. Step 5: Solve for x
    x = 5,555,198,081.17/116,130.41
  6. Step 6: Final answer
    x = 47,835.86

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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.