Home / 145,467.36-218,200.86-45,636.30

Finding the Fourth Proportional to 145,467.36, 218,200.86 and 45,636.30

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Solution

The fourth proportional to 145,467.36, 218,200.86 and 45,636.30 is: 68,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,467.36 : 218,200.86 = 45,636.30 : x
  2. Step 2: Convert to fraction form
    145,467.36/218,200.86 = 45,636.30/x
  3. Step 3: Cross multiply
    145,467.36x = 218,200.86 × 45,636.30
  4. Step 4: Simplify right side
    145,467.36x = 9,957,879,907.22
  5. Step 5: Solve for x
    x = 9,957,879,907.22/145,467.36
  6. Step 6: Final answer
    x = 68,454.39

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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.