Home / 100,209.36-150,109.84-47,458.92

Finding the Fourth Proportional to 100,209.36, 150,109.84 and 47,458.92

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Solution

The fourth proportional to 100,209.36, 150,109.84 and 47,458.92 is: 71,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,209.36 : 150,109.84 = 47,458.92 : x
  2. Step 2: Convert to fraction form
    100,209.36/150,109.84 = 47,458.92/x
  3. Step 3: Cross multiply
    100,209.36x = 150,109.84 × 47,458.92
  4. Step 4: Simplify right side
    100,209.36x = 7,124,050,887.77
  5. Step 5: Solve for x
    x = 7,124,050,887.77/100,209.36
  6. Step 6: Final answer
    x = 71,091.67

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1.5x scale

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.