Home / 189,088.20-260,941.72-104,205.26

Finding the Fourth Proportional to 189,088.20, 260,941.72 and 104,205.26

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Solution

The fourth proportional to 189,088.20, 260,941.72 and 104,205.26 is: 143,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,088.20 : 260,941.72 = 104,205.26 : x
  2. Step 2: Convert to fraction form
    189,088.20/260,941.72 = 104,205.26/x
  3. Step 3: Cross multiply
    189,088.20x = 260,941.72 × 104,205.26
  4. Step 4: Simplify right side
    189,088.20x = 27,191,499,973.37
  5. Step 5: Solve for x
    x = 27,191,499,973.37/189,088.20
  6. Step 6: Final answer
    x = 143,803.26

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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.