Home / 132,907.84-183,417.24-72,481.78

Finding the Fourth Proportional to 132,907.84, 183,417.24 and 72,481.78

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Solution

The fourth proportional to 132,907.84, 183,417.24 and 72,481.78 is: 100,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,907.84 : 183,417.24 = 72,481.78 : x
  2. Step 2: Convert to fraction form
    132,907.84/183,417.24 = 72,481.78/x
  3. Step 3: Cross multiply
    132,907.84x = 183,417.24 × 72,481.78
  4. Step 4: Simplify right side
    132,907.84x = 13,294,408,037.89
  5. Step 5: Solve for x
    x = 13,294,408,037.89/132,907.84
  6. Step 6: Final answer
    x = 100,027.27

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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.