Home / 140,084.21-210,127.84-40,245.23

Finding the Fourth Proportional to 140,084.21, 210,127.84 and 40,245.23

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Solution

The fourth proportional to 140,084.21, 210,127.84 and 40,245.23 is: 60,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.21 : 210,127.84 = 40,245.23 : x
  2. Step 2: Convert to fraction form
    140,084.21/210,127.84 = 40,245.23/x
  3. Step 3: Cross multiply
    140,084.21x = 210,127.84 × 40,245.23
  4. Step 4: Simplify right side
    140,084.21x = 8,456,643,674.91
  5. Step 5: Solve for x
    x = 8,456,643,674.91/140,084.21
  6. Step 6: Final answer
    x = 60,368.29

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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.