Home / 189,011.70-260,833.23-104,131.80

Finding the Fourth Proportional to 189,011.70, 260,833.23 and 104,131.80

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Solution

The fourth proportional to 189,011.70, 260,833.23 and 104,131.80 is: 143,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,011.70 : 260,833.23 = 104,131.80 : x
  2. Step 2: Convert to fraction form
    189,011.70/260,833.23 = 104,131.80/x
  3. Step 3: Cross multiply
    189,011.70x = 260,833.23 × 104,131.80
  4. Step 4: Simplify right side
    189,011.70x = 27,161,033,739.71
  5. Step 5: Solve for x
    x = 27,161,033,739.71/189,011.70
  6. Step 6: Final answer
    x = 143,700.28

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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.