Home / 130,293.97-195,391.74-55,449.36

Finding the Fourth Proportional to 130,293.97, 195,391.74 and 55,449.36

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Solution

The fourth proportional to 130,293.97, 195,391.74 and 55,449.36 is: 83,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,293.97 : 195,391.74 = 55,449.36 : x
  2. Step 2: Convert to fraction form
    130,293.97/195,391.74 = 55,449.36/x
  3. Step 3: Cross multiply
    130,293.97x = 195,391.74 × 55,449.36
  4. Step 4: Simplify right side
    130,293.97x = 10,834,347,140.22
  5. Step 5: Solve for x
    x = 10,834,347,140.22/130,293.97
  6. Step 6: Final answer
    x = 83,153.10

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1.5x scale

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.