Home / 199,984.83-299,240.13-120,071.37

Finding the Fourth Proportional to 199,984.83, 299,240.13 and 120,071.37

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Solution

The fourth proportional to 199,984.83, 299,240.13 and 120,071.37 is: 179,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,984.83 : 299,240.13 = 120,071.37 : x
  2. Step 2: Convert to fraction form
    199,984.83/299,240.13 = 120,071.37/x
  3. Step 3: Cross multiply
    199,984.83x = 299,240.13 × 120,071.37
  4. Step 4: Simplify right side
    199,984.83x = 35,930,172,368.08
  5. Step 5: Solve for x
    x = 35,930,172,368.08/199,984.83
  6. Step 6: Final answer
    x = 179,664.49

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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.