Home / 112,537.60-168,806.57-45,977.80

Finding the Fourth Proportional to 112,537.60, 168,806.57 and 45,977.80

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Solution

The fourth proportional to 112,537.60, 168,806.57 and 45,977.80 is: 68,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.60 : 168,806.57 = 45,977.80 : x
  2. Step 2: Convert to fraction form
    112,537.60/168,806.57 = 45,977.80/x
  3. Step 3: Cross multiply
    112,537.60x = 168,806.57 × 45,977.80
  4. Step 4: Simplify right side
    112,537.60x = 7,761,354,291.92
  5. Step 5: Solve for x
    x = 7,761,354,291.92/112,537.60
  6. Step 6: Final answer
    x = 68,966.76

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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.