Home / 209,362.05-314,095.69-67,220.01

Finding the Fourth Proportional to 209,362.05, 314,095.69 and 67,220.01

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Solution

The fourth proportional to 209,362.05, 314,095.69 and 67,220.01 is: 100,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,362.05 : 314,095.69 = 67,220.01 : x
  2. Step 2: Convert to fraction form
    209,362.05/314,095.69 = 67,220.01/x
  3. Step 3: Cross multiply
    209,362.05x = 314,095.69 × 67,220.01
  4. Step 4: Simplify right side
    209,362.05x = 21,113,515,506.78
  5. Step 5: Solve for x
    x = 21,113,515,506.78/209,362.05
  6. Step 6: Final answer
    x = 100,846.91

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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.