Home / 140,111.45-210,168.99-46,617.20

Finding the Fourth Proportional to 140,111.45, 210,168.99 and 46,617.20

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Solution

The fourth proportional to 140,111.45, 210,168.99 and 46,617.20 is: 69,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,111.45 : 210,168.99 = 46,617.20 : x
  2. Step 2: Convert to fraction form
    140,111.45/210,168.99 = 46,617.20/x
  3. Step 3: Cross multiply
    140,111.45x = 210,168.99 × 46,617.20
  4. Step 4: Simplify right side
    140,111.45x = 9,797,488,789.78
  5. Step 5: Solve for x
    x = 9,797,488,789.78/140,111.45
  6. Step 6: Final answer
    x = 69,926.40

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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.