Home / 130,198.71-195,097.08-87,913.08

Finding the Fourth Proportional to 130,198.71, 195,097.08 and 87,913.08

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Solution

The fourth proportional to 130,198.71, 195,097.08 and 87,913.08 is: 131,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,198.71 : 195,097.08 = 87,913.08 : x
  2. Step 2: Convert to fraction form
    130,198.71/195,097.08 = 87,913.08/x
  3. Step 3: Cross multiply
    130,198.71x = 195,097.08 × 87,913.08
  4. Step 4: Simplify right side
    130,198.71x = 17,151,585,201.81
  5. Step 5: Solve for x
    x = 17,151,585,201.81/130,198.71
  6. Step 6: Final answer
    x = 131,733.91

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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.