Home / 132,968.81-183,497.41-72,540.73

Finding the Fourth Proportional to 132,968.81, 183,497.41 and 72,540.73

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Solution

The fourth proportional to 132,968.81, 183,497.41 and 72,540.73 is: 100,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.81 : 183,497.41 = 72,540.73 : x
  2. Step 2: Convert to fraction form
    132,968.81/183,497.41 = 72,540.73/x
  3. Step 3: Cross multiply
    132,968.81x = 183,497.41 × 72,540.73
  4. Step 4: Simplify right side
    132,968.81x = 13,311,035,986.52
  5. Step 5: Solve for x
    x = 13,311,035,986.52/132,968.81
  6. Step 6: Final answer
    x = 100,106.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.