Home / 81,548.52-122,163.45-56,188.23

Finding the Fourth Proportional to 81,548.52, 122,163.45 and 56,188.23

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Solution

The fourth proportional to 81,548.52, 122,163.45 and 56,188.23 is: 84,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.52 : 122,163.45 = 56,188.23 : x
  2. Step 2: Convert to fraction form
    81,548.52/122,163.45 = 56,188.23/x
  3. Step 3: Cross multiply
    81,548.52x = 122,163.45 × 56,188.23
  4. Step 4: Simplify right side
    81,548.52x = 6,864,148,026.19
  5. Step 5: Solve for x
    x = 6,864,148,026.19/81,548.52
  6. Step 6: Final answer
    x = 84,172.56

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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.