Home / 189,055.50-260,902.07-104,178.03

Finding the Fourth Proportional to 189,055.50, 260,902.07 and 104,178.03

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Solution

The fourth proportional to 189,055.50, 260,902.07 and 104,178.03 is: 143,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,055.50 : 260,902.07 = 104,178.03 : x
  2. Step 2: Convert to fraction form
    189,055.50/260,902.07 = 104,178.03/x
  3. Step 3: Cross multiply
    189,055.50x = 260,902.07 × 104,178.03
  4. Step 4: Simplify right side
    189,055.50x = 27,180,263,154.63
  5. Step 5: Solve for x
    x = 27,180,263,154.63/189,055.50
  6. Step 6: Final answer
    x = 143,768.70

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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.