Home / 113,939.37-170,857.11-47,339.75

Finding the Fourth Proportional to 113,939.37, 170,857.11 and 47,339.75

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Solution

The fourth proportional to 113,939.37, 170,857.11 and 47,339.75 is: 70,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,939.37 : 170,857.11 = 47,339.75 : x
  2. Step 2: Convert to fraction form
    113,939.37/170,857.11 = 47,339.75/x
  3. Step 3: Cross multiply
    113,939.37x = 170,857.11 × 47,339.75
  4. Step 4: Simplify right side
    113,939.37x = 8,088,333,477.79
  5. Step 5: Solve for x
    x = 8,088,333,477.79/113,939.37
  6. Step 6: Final answer
    x = 70,988.05

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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.