Home / 140,153.21-210,265.32-40,311.26

Finding the Fourth Proportional to 140,153.21, 210,265.32 and 40,311.26

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Solution

The fourth proportional to 140,153.21, 210,265.32 and 40,311.26 is: 60,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153.21 : 210,265.32 = 40,311.26 : x
  2. Step 2: Convert to fraction form
    140,153.21/210,265.32 = 40,311.26/x
  3. Step 3: Cross multiply
    140,153.21x = 210,265.32 × 40,311.26
  4. Step 4: Simplify right side
    140,153.21x = 8,476,059,983.50
  5. Step 5: Solve for x
    x = 8,476,059,983.50/140,153.21
  6. Step 6: Final answer
    x = 60,477.10

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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.