Home / 199,746.82-299,621.36-66,626.72

Finding the Fourth Proportional to 199,746.82, 299,621.36 and 66,626.72

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Solution

The fourth proportional to 199,746.82, 299,621.36 and 66,626.72 is: 99,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,746.82 : 299,621.36 = 66,626.72 : x
  2. Step 2: Convert to fraction form
    199,746.82/299,621.36 = 66,626.72/x
  3. Step 3: Cross multiply
    199,746.82x = 299,621.36 × 66,626.72
  4. Step 4: Simplify right side
    199,746.82x = 19,962,788,458.74
  5. Step 5: Solve for x
    x = 19,962,788,458.74/199,746.82
  6. Step 6: Final answer
    x = 99,940.46

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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.