Home / 149,455.05-205,828.07-146,189.13

Finding the Fourth Proportional to 149,455.05, 205,828.07 and 146,189.13

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Solution

The fourth proportional to 149,455.05, 205,828.07 and 146,189.13 is: 201,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,455.05 : 205,828.07 = 146,189.13 : x
  2. Step 2: Convert to fraction form
    149,455.05/205,828.07 = 146,189.13/x
  3. Step 3: Cross multiply
    149,455.05x = 205,828.07 × 146,189.13
  4. Step 4: Simplify right side
    149,455.05x = 30,089,825,751.93
  5. Step 5: Solve for x
    x = 30,089,825,751.93/149,455.05
  6. Step 6: Final answer
    x = 201,330.27

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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.