Home / 189,336.61-261,284.50-104,453.67

Finding the Fourth Proportional to 189,336.61, 261,284.50 and 104,453.67

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Solution

The fourth proportional to 189,336.61, 261,284.50 and 104,453.67 is: 144,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.61 : 261,284.50 = 104,453.67 : x
  2. Step 2: Convert to fraction form
    189,336.61/261,284.50 = 104,453.67/x
  3. Step 3: Cross multiply
    189,336.61x = 261,284.50 × 104,453.67
  4. Step 4: Simplify right side
    189,336.61x = 27,292,124,939.12
  5. Step 5: Solve for x
    x = 27,292,124,939.12/189,336.61
  6. Step 6: Final answer
    x = 144,146.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.