Home / 132,968.94-183,501.75-72,542.90

Finding the Fourth Proportional to 132,968.94, 183,501.75 and 72,542.90

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Solution

The fourth proportional to 132,968.94, 183,501.75 and 72,542.90 is: 100,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.94 : 183,501.75 = 72,542.90 : x
  2. Step 2: Convert to fraction form
    132,968.94/183,501.75 = 72,542.90/x
  3. Step 3: Cross multiply
    132,968.94x = 183,501.75 × 72,542.90
  4. Step 4: Simplify right side
    132,968.94x = 13,311,749,830.87
  5. Step 5: Solve for x
    x = 13,311,749,830.87/132,968.94
  6. Step 6: Final answer
    x = 100,111.73

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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.