Home / 140,344.76-210,173.46-90,267.32

Finding the Fourth Proportional to 140,344.76, 210,173.46 and 90,267.32

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Solution

The fourth proportional to 140,344.76, 210,173.46 and 90,267.32 is: 135,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,344.76 : 210,173.46 = 90,267.32 : x
  2. Step 2: Convert to fraction form
    140,344.76/210,173.46 = 90,267.32/x
  3. Step 3: Cross multiply
    140,344.76x = 210,173.46 × 90,267.32
  4. Step 4: Simplify right side
    140,344.76x = 18,971,794,969.33
  5. Step 5: Solve for x
    x = 18,971,794,969.33/140,344.76
  6. Step 6: Final answer
    x = 135,179.93

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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.