Home / 130,256.69-195,379.07-54,323.87

Finding the Fourth Proportional to 130,256.69, 195,379.07 and 54,323.87

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Solution

The fourth proportional to 130,256.69, 195,379.07 and 54,323.87 is: 81,483.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256.69 : 195,379.07 = 54,323.87 : x
  2. Step 2: Convert to fraction form
    130,256.69/195,379.07 = 54,323.87/x
  3. Step 3: Cross multiply
    130,256.69x = 195,379.07 × 54,323.87
  4. Step 4: Simplify right side
    130,256.69x = 10,613,745,950.89
  5. Step 5: Solve for x
    x = 10,613,745,950.89/130,256.69
  6. Step 6: Final answer
    x = 81,483.31

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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.