Home / 189,123.66-260,991.18-104,241.06

Finding the Fourth Proportional to 189,123.66, 260,991.18 and 104,241.06

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Solution

The fourth proportional to 189,123.66, 260,991.18 and 104,241.06 is: 143,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,123.66 : 260,991.18 = 104,241.06 : x
  2. Step 2: Convert to fraction form
    189,123.66/260,991.18 = 104,241.06/x
  3. Step 3: Cross multiply
    189,123.66x = 260,991.18 × 104,241.06
  4. Step 4: Simplify right side
    189,123.66x = 27,205,997,253.85
  5. Step 5: Solve for x
    x = 27,205,997,253.85/189,123.66
  6. Step 6: Final answer
    x = 143,852.95

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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.