Home / 189,038.03-260,872.32-104,155.10

Finding the Fourth Proportional to 189,038.03, 260,872.32 and 104,155.10

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Solution

The fourth proportional to 189,038.03, 260,872.32 and 104,155.10 is: 143,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,038.03 : 260,872.32 = 104,155.10 : x
  2. Step 2: Convert to fraction form
    189,038.03/260,872.32 = 104,155.10/x
  3. Step 3: Cross multiply
    189,038.03x = 260,872.32 × 104,155.10
  4. Step 4: Simplify right side
    189,038.03x = 27,171,182,576.83
  5. Step 5: Solve for x
    x = 27,171,182,576.83/189,038.03
  6. Step 6: Final answer
    x = 143,733.95

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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.