Home / 134,811.88-186,107.80-83,841.02

Finding the Fourth Proportional to 134,811.88, 186,107.80 and 83,841.02

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Solution

The fourth proportional to 134,811.88, 186,107.80 and 83,841.02 is: 115,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.88 : 186,107.80 = 83,841.02 : x
  2. Step 2: Convert to fraction form
    134,811.88/186,107.80 = 83,841.02/x
  3. Step 3: Cross multiply
    134,811.88x = 186,107.80 × 83,841.02
  4. Step 4: Simplify right side
    134,811.88x = 15,603,468,779.58
  5. Step 5: Solve for x
    x = 15,603,468,779.58/134,811.88
  6. Step 6: Final answer
    x = 115,742.54

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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.