Home / 90,829.68-136,183.32-46,420.08

Finding the Fourth Proportional to 90,829.68, 136,183.32 and 46,420.08

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Solution

The fourth proportional to 90,829.68, 136,183.32 and 46,420.08 is: 69,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.68 : 136,183.32 = 46,420.08 : x
  2. Step 2: Convert to fraction form
    90,829.68/136,183.32 = 46,420.08/x
  3. Step 3: Cross multiply
    90,829.68x = 136,183.32 × 46,420.08
  4. Step 4: Simplify right side
    90,829.68x = 6,321,640,609.07
  5. Step 5: Solve for x
    x = 6,321,640,609.07/90,829.68
  6. Step 6: Final answer
    x = 69,598.84

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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.