Home / 199,707.03-299,228.43-140,418.42

Finding the Fourth Proportional to 199,707.03, 299,228.43 and 140,418.42

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Solution

The fourth proportional to 199,707.03, 299,228.43 and 140,418.42 is: 210,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,707.03 : 299,228.43 = 140,418.42 : x
  2. Step 2: Convert to fraction form
    199,707.03/299,228.43 = 140,418.42/x
  3. Step 3: Cross multiply
    199,707.03x = 299,228.43 × 140,418.42
  4. Step 4: Simplify right side
    199,707.03x = 42,017,183,359.68
  5. Step 5: Solve for x
    x = 42,017,183,359.68/199,707.03
  6. Step 6: Final answer
    x = 210,394.11

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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.