Home / 144,324.59-199,150.75-79,785.10

Finding the Fourth Proportional to 144,324.59, 199,150.75 and 79,785.10

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Solution

The fourth proportional to 144,324.59, 199,150.75 and 79,785.10 is: 110,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,324.59 : 199,150.75 = 79,785.10 : x
  2. Step 2: Convert to fraction form
    144,324.59/199,150.75 = 79,785.10/x
  3. Step 3: Cross multiply
    144,324.59x = 199,150.75 × 79,785.10
  4. Step 4: Simplify right side
    144,324.59x = 15,889,262,852.49
  5. Step 5: Solve for x
    x = 15,889,262,852.49/144,324.59
  6. Step 6: Final answer
    x = 110,093.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.