Home / 160,985.72-241,380.12-76,771.64

Finding the Fourth Proportional to 160,985.72, 241,380.12 and 76,771.64

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Solution

The fourth proportional to 160,985.72, 241,380.12 and 76,771.64 is: 115,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,985.72 : 241,380.12 = 76,771.64 : x
  2. Step 2: Convert to fraction form
    160,985.72/241,380.12 = 76,771.64/x
  3. Step 3: Cross multiply
    160,985.72x = 241,380.12 × 76,771.64
  4. Step 4: Simplify right side
    160,985.72x = 18,531,148,567.14
  5. Step 5: Solve for x
    x = 18,531,148,567.14/160,985.72
  6. Step 6: Final answer
    x = 115,110.51

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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.