Home / 135,495.15-186,977.97-75,066.75

Finding the Fourth Proportional to 135,495.15, 186,977.97 and 75,066.75

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Solution

The fourth proportional to 135,495.15, 186,977.97 and 75,066.75 is: 103,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,495.15 : 186,977.97 = 75,066.75 : x
  2. Step 2: Convert to fraction form
    135,495.15/186,977.97 = 75,066.75/x
  3. Step 3: Cross multiply
    135,495.15x = 186,977.97 × 75,066.75
  4. Step 4: Simplify right side
    135,495.15x = 14,035,828,529.50
  5. Step 5: Solve for x
    x = 14,035,828,529.50/135,495.15
  6. Step 6: Final answer
    x = 103,589.16

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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.