Home / 189,945.37-284,910.14-49,700.89

Finding the Fourth Proportional to 189,945.37, 284,910.14 and 49,700.89

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Solution

The fourth proportional to 189,945.37, 284,910.14 and 49,700.89 is: 74,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.37 : 284,910.14 = 49,700.89 : x
  2. Step 2: Convert to fraction form
    189,945.37/284,910.14 = 49,700.89/x
  3. Step 3: Cross multiply
    189,945.37x = 284,910.14 × 49,700.89
  4. Step 4: Simplify right side
    189,945.37x = 14,160,287,279.52
  5. Step 5: Solve for x
    x = 14,160,287,279.52/189,945.37
  6. Step 6: Final answer
    x = 74,549.26

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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.