Home / 189,415.36-284,048.82-71,022.16

Finding the Fourth Proportional to 189,415.36, 284,048.82 and 71,022.16

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Solution

The fourth proportional to 189,415.36, 284,048.82 and 71,022.16 is: 106,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,415.36 : 284,048.82 = 71,022.16 : x
  2. Step 2: Convert to fraction form
    189,415.36/284,048.82 = 71,022.16/x
  3. Step 3: Cross multiply
    189,415.36x = 284,048.82 × 71,022.16
  4. Step 4: Simplify right side
    189,415.36x = 20,173,760,741.85
  5. Step 5: Solve for x
    x = 20,173,760,741.85/189,415.36
  6. Step 6: Final answer
    x = 106,505.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.