Home / 130,371.63-195,557.44-71,175.00

Finding the Fourth Proportional to 130,371.63, 195,557.44 and 71,175.00

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Solution

The fourth proportional to 130,371.63, 195,557.44 and 71,175.00 is: 106,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,371.63 : 195,557.44 = 71,175.00 : x
  2. Step 2: Convert to fraction form
    130,371.63/195,557.44 = 71,175.00/x
  3. Step 3: Cross multiply
    130,371.63x = 195,557.44 × 71,175.00
  4. Step 4: Simplify right side
    130,371.63x = 13,918,801,480.86
  5. Step 5: Solve for x
    x = 13,918,801,480.86/130,371.63
  6. Step 6: Final answer
    x = 106,762.51

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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.