Home / 189,661.46-284,534.55-71,333.82

Finding the Fourth Proportional to 189,661.46, 284,534.55 and 71,333.82

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Solution

The fourth proportional to 189,661.46, 284,534.55 and 71,333.82 is: 107,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,661.46 : 284,534.55 = 71,333.82 : x
  2. Step 2: Convert to fraction form
    189,661.46/284,534.55 = 71,333.82/x
  3. Step 3: Cross multiply
    189,661.46x = 284,534.55 × 71,333.82
  4. Step 4: Simplify right side
    189,661.46x = 20,296,936,373.48
  5. Step 5: Solve for x
    x = 20,296,936,373.48/189,661.46
  6. Step 6: Final answer
    x = 107,016.66

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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.