Home / 260,548.48-390,840.88-110,771.76

Finding the Fourth Proportional to 260,548.48, 390,840.88 and 110,771.76

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Solution

The fourth proportional to 260,548.48, 390,840.88 and 110,771.76 is: 166,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,548.48 : 390,840.88 = 110,771.76 : x
  2. Step 2: Convert to fraction form
    260,548.48/390,840.88 = 110,771.76/x
  3. Step 3: Cross multiply
    260,548.48x = 390,840.88 × 110,771.76
  4. Step 4: Simplify right side
    260,548.48x = 43,294,132,157.55
  5. Step 5: Solve for x
    x = 43,294,132,157.55/260,548.48
  6. Step 6: Final answer
    x = 166,165.36

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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.