Home / 118,799.75-163,943.64-65,086.67

Finding the Fourth Proportional to 118,799.75, 163,943.64 and 65,086.67

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Solution

The fourth proportional to 118,799.75, 163,943.64 and 65,086.67 is: 89,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,799.75 : 163,943.64 = 65,086.67 : x
  2. Step 2: Convert to fraction form
    118,799.75/163,943.64 = 65,086.67/x
  3. Step 3: Cross multiply
    118,799.75x = 163,943.64 × 65,086.67
  4. Step 4: Simplify right side
    118,799.75x = 10,670,544,775.56
  5. Step 5: Solve for x
    x = 10,670,544,775.56/118,799.75
  6. Step 6: Final answer
    x = 89,819.59

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1.5x scale

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.