Home / 189,036.03-260,869.56-104,153.10

Finding the Fourth Proportional to 189,036.03, 260,869.56 and 104,153.10

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Solution

The fourth proportional to 189,036.03, 260,869.56 and 104,153.10 is: 143,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,036.03 : 260,869.56 = 104,153.10 : x
  2. Step 2: Convert to fraction form
    189,036.03/260,869.56 = 104,153.10/x
  3. Step 3: Cross multiply
    189,036.03x = 260,869.56 × 104,153.10
  4. Step 4: Simplify right side
    189,036.03x = 27,170,373,369.64
  5. Step 5: Solve for x
    x = 27,170,373,369.64/189,036.03
  6. Step 6: Final answer
    x = 143,731.19

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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.