Home / 140,070.41-210,107.07-40,230.37

Finding the Fourth Proportional to 140,070.41, 210,107.07 and 40,230.37

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Solution

The fourth proportional to 140,070.41, 210,107.07 and 40,230.37 is: 60,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,070.41 : 210,107.07 = 40,230.37 : x
  2. Step 2: Convert to fraction form
    140,070.41/210,107.07 = 40,230.37/x
  3. Step 3: Cross multiply
    140,070.41x = 210,107.07 × 40,230.37
  4. Step 4: Simplify right side
    140,070.41x = 8,452,684,640.45
  5. Step 5: Solve for x
    x = 8,452,684,640.45/140,070.41
  6. Step 6: Final answer
    x = 60,345.97

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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.