Home / 218,255.55-301,192.73-122,762.31

Finding the Fourth Proportional to 218,255.55, 301,192.73 and 122,762.31

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Solution

The fourth proportional to 218,255.55, 301,192.73 and 122,762.31 is: 169,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,255.55 : 301,192.73 = 122,762.31 : x
  2. Step 2: Convert to fraction form
    218,255.55/301,192.73 = 122,762.31/x
  3. Step 3: Cross multiply
    218,255.55x = 301,192.73 × 122,762.31
  4. Step 4: Simplify right side
    218,255.55x = 36,975,115,290.01
  5. Step 5: Solve for x
    x = 36,975,115,290.01/218,255.55
  6. Step 6: Final answer
    x = 169,412.03

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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.