Home / 136,235.03-188,004.34-75,809.56

Finding the Fourth Proportional to 136,235.03, 188,004.34 and 75,809.56

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Solution

The fourth proportional to 136,235.03, 188,004.34 and 75,809.56 is: 104,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,235.03 : 188,004.34 = 75,809.56 : x
  2. Step 2: Convert to fraction form
    136,235.03/188,004.34 = 75,809.56/x
  3. Step 3: Cross multiply
    136,235.03x = 188,004.34 × 75,809.56
  4. Step 4: Simplify right side
    136,235.03x = 14,252,526,293.49
  5. Step 5: Solve for x
    x = 14,252,526,293.49/136,235.03
  6. Step 6: Final answer
    x = 104,617.19

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1.5x scale

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.