Home / 209,141.37-313,711.29-59,381.67

Finding the Fourth Proportional to 209,141.37, 313,711.29 and 59,381.67

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Solution

The fourth proportional to 209,141.37, 313,711.29 and 59,381.67 is: 89,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,141.37 : 313,711.29 = 59,381.67 : x
  2. Step 2: Convert to fraction form
    209,141.37/313,711.29 = 59,381.67/x
  3. Step 3: Cross multiply
    209,141.37x = 313,711.29 × 59,381.67
  4. Step 4: Simplify right side
    209,141.37x = 18,628,700,298.05
  5. Step 5: Solve for x
    x = 18,628,700,298.05/209,141.37
  6. Step 6: Final answer
    x = 89,072.29

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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.