Home / 140,218.80-210,328.20-134,775.60

Finding the Fourth Proportional to 140,218.80, 210,328.20 and 134,775.60

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Solution

The fourth proportional to 140,218.80, 210,328.20 and 134,775.60 is: 202,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,218.80 : 210,328.20 = 134,775.60 : x
  2. Step 2: Convert to fraction form
    140,218.80/210,328.20 = 134,775.60/x
  3. Step 3: Cross multiply
    140,218.80x = 210,328.20 × 134,775.60
  4. Step 4: Simplify right side
    140,218.80x = 28,347,109,351.92
  5. Step 5: Solve for x
    x = 28,347,109,351.92/140,218.80
  6. Step 6: Final answer
    x = 202,163.40

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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.