Home / 159,180.75-219,667.08-87,556.50

Finding the Fourth Proportional to 159,180.75, 219,667.08 and 87,556.50

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Solution

The fourth proportional to 159,180.75, 219,667.08 and 87,556.50 is: 120,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,180.75 : 219,667.08 = 87,556.50 : x
  2. Step 2: Convert to fraction form
    159,180.75/219,667.08 = 87,556.50/x
  3. Step 3: Cross multiply
    159,180.75x = 219,667.08 × 87,556.50
  4. Step 4: Simplify right side
    159,180.75x = 19,233,280,690.02
  5. Step 5: Solve for x
    x = 19,233,280,690.02/159,180.75
  6. Step 6: Final answer
    x = 120,826.67

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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.