Home / 72,344.02-108,682.80-69,354.73

Finding the Fourth Proportional to 72,344.02, 108,682.80 and 69,354.73

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Solution

The fourth proportional to 72,344.02, 108,682.80 and 69,354.73 is: 104,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.02 : 108,682.80 = 69,354.73 : x
  2. Step 2: Convert to fraction form
    72,344.02/108,682.80 = 69,354.73/x
  3. Step 3: Cross multiply
    72,344.02x = 108,682.80 × 69,354.73
  4. Step 4: Simplify right side
    72,344.02x = 7,537,666,249.64
  5. Step 5: Solve for x
    x = 7,537,666,249.64/72,344.02
  6. Step 6: Final answer
    x = 104,191.97

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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.