Home / 321,059.20-481,646.40-134,089.60

Finding the Fourth Proportional to 321,059.20, 481,646.40 and 134,089.60

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Solution

The fourth proportional to 321,059.20, 481,646.40 and 134,089.60 is: 201,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,059.20 : 481,646.40 = 134,089.60 : x
  2. Step 2: Convert to fraction form
    321,059.20/481,646.40 = 134,089.60/x
  3. Step 3: Cross multiply
    321,059.20x = 481,646.40 × 134,089.60
  4. Step 4: Simplify right side
    321,059.20x = 64,583,773,117.44
  5. Step 5: Solve for x
    x = 64,583,773,117.44/321,059.20
  6. Step 6: Final answer
    x = 201,158.46

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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.