Home / 140,142.66-210,249.58-40,300.72

Finding the Fourth Proportional to 140,142.66, 210,249.58 and 40,300.72

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Solution

The fourth proportional to 140,142.66, 210,249.58 and 40,300.72 is: 60,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,142.66 : 210,249.58 = 40,300.72 : x
  2. Step 2: Convert to fraction form
    140,142.66/210,249.58 = 40,300.72/x
  3. Step 3: Cross multiply
    140,142.66x = 210,249.58 × 40,300.72
  4. Step 4: Simplify right side
    140,142.66x = 8,473,209,453.70
  5. Step 5: Solve for x
    x = 8,473,209,453.70/140,142.66
  6. Step 6: Final answer
    x = 60,461.31

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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.