Home / 189,666.29-284,639.76-89,826.67

Finding the Fourth Proportional to 189,666.29, 284,639.76 and 89,826.67

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Solution

The fourth proportional to 189,666.29, 284,639.76 and 89,826.67 is: 134,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,666.29 : 284,639.76 = 89,826.67 : x
  2. Step 2: Convert to fraction form
    189,666.29/284,639.76 = 89,826.67/x
  3. Step 3: Cross multiply
    189,666.29x = 284,639.76 × 89,826.67
  4. Step 4: Simplify right side
    189,666.29x = 25,568,241,119.26
  5. Step 5: Solve for x
    x = 25,568,241,119.26/189,666.29
  6. Step 6: Final answer
    x = 134,806.46

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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.