Home / 86,165.40-129,268.72-41,740.22

Finding the Fourth Proportional to 86,165.40, 129,268.72 and 41,740.22

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Solution

The fourth proportional to 86,165.40, 129,268.72 and 41,740.22 is: 62,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,165.40 : 129,268.72 = 41,740.22 : x
  2. Step 2: Convert to fraction form
    86,165.40/129,268.72 = 41,740.22/x
  3. Step 3: Cross multiply
    86,165.40x = 129,268.72 × 41,740.22
  4. Step 4: Simplify right side
    86,165.40x = 5,395,704,811.92
  5. Step 5: Solve for x
    x = 5,395,704,811.92/86,165.40
  6. Step 6: Final answer
    x = 62,620.32

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1.5x scale

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.