Home / 130,583.45-195,930.54-71,349.92

Finding the Fourth Proportional to 130,583.45, 195,930.54 and 71,349.92

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Solution

The fourth proportional to 130,583.45, 195,930.54 and 71,349.92 is: 107,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,583.45 : 195,930.54 = 71,349.92 : x
  2. Step 2: Convert to fraction form
    130,583.45/195,930.54 = 71,349.92/x
  3. Step 3: Cross multiply
    130,583.45x = 195,930.54 × 71,349.92
  4. Step 4: Simplify right side
    130,583.45x = 13,979,628,354.56
  5. Step 5: Solve for x
    x = 13,979,628,354.56/130,583.45
  6. Step 6: Final answer
    x = 107,055.13

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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.