Home / 135,318.08-186,917.44-103,875.52

Finding the Fourth Proportional to 135,318.08, 186,917.44 and 103,875.52

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Solution

The fourth proportional to 135,318.08, 186,917.44 and 103,875.52 is: 143,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,318.08 : 186,917.44 = 103,875.52 : x
  2. Step 2: Convert to fraction form
    135,318.08/186,917.44 = 103,875.52/x
  3. Step 3: Cross multiply
    135,318.08x = 186,917.44 × 103,875.52
  4. Step 4: Simplify right side
    135,318.08x = 19,416,146,277.07
  5. Step 5: Solve for x
    x = 19,416,146,277.07/135,318.08
  6. Step 6: Final answer
    x = 143,485.23

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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.