Home / 209,290.04-314,074.65-76,170.26

Finding the Fourth Proportional to 209,290.04, 314,074.65 and 76,170.26

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Solution

The fourth proportional to 209,290.04, 314,074.65 and 76,170.26 is: 114,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,290.04 : 314,074.65 = 76,170.26 : x
  2. Step 2: Convert to fraction form
    209,290.04/314,074.65 = 76,170.26/x
  3. Step 3: Cross multiply
    209,290.04x = 314,074.65 × 76,170.26
  4. Step 4: Simplify right side
    209,290.04x = 23,923,147,749.91
  5. Step 5: Solve for x
    x = 23,923,147,749.91/209,290.04
  6. Step 6: Final answer
    x = 114,306.19

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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.