Home / 134,889.20-202,333.80-71,903.60

Finding the Fourth Proportional to 134,889.20, 202,333.80 and 71,903.60

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Solution

The fourth proportional to 134,889.20, 202,333.80 and 71,903.60 is: 107,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,889.20 : 202,333.80 = 71,903.60 : x
  2. Step 2: Convert to fraction form
    134,889.20/202,333.80 = 71,903.60/x
  3. Step 3: Cross multiply
    134,889.20x = 202,333.80 × 71,903.60
  4. Step 4: Simplify right side
    134,889.20x = 14,548,528,621.68
  5. Step 5: Solve for x
    x = 14,548,528,621.68/134,889.20
  6. Step 6: Final answer
    x = 107,855.40

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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.