Home / 209,033.25-313,556.40-99,464.16

Finding the Fourth Proportional to 209,033.25, 313,556.40 and 99,464.16

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Solution

The fourth proportional to 209,033.25, 313,556.40 and 99,464.16 is: 149,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,033.25 : 313,556.40 = 99,464.16 : x
  2. Step 2: Convert to fraction form
    209,033.25/313,556.40 = 99,464.16/x
  3. Step 3: Cross multiply
    209,033.25x = 313,556.40 × 99,464.16
  4. Step 4: Simplify right side
    209,033.25x = 31,187,623,938.62
  5. Step 5: Solve for x
    x = 31,187,623,938.62/209,033.25
  6. Step 6: Final answer
    x = 149,199.34

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1.5x scale

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.