Home / 136,298.08-188,091.36-75,867.44

Finding the Fourth Proportional to 136,298.08, 188,091.36 and 75,867.44

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Solution

The fourth proportional to 136,298.08, 188,091.36 and 75,867.44 is: 104,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.08 : 188,091.36 = 75,867.44 : x
  2. Step 2: Convert to fraction form
    136,298.08/188,091.36 = 75,867.44/x
  3. Step 3: Cross multiply
    136,298.08x = 188,091.36 × 75,867.44
  4. Step 4: Simplify right side
    136,298.08x = 14,270,009,969.32
  5. Step 5: Solve for x
    x = 14,270,009,969.32/136,298.08
  6. Step 6: Final answer
    x = 104,697.07

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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.