Home / 218,967.43-302,175.13-118,365.43

Finding the Fourth Proportional to 218,967.43, 302,175.13 and 118,365.43

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Solution

The fourth proportional to 218,967.43, 302,175.13 and 118,365.43 is: 163,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,967.43 : 302,175.13 = 118,365.43 : x
  2. Step 2: Convert to fraction form
    218,967.43/302,175.13 = 118,365.43/x
  3. Step 3: Cross multiply
    218,967.43x = 302,175.13 × 118,365.43
  4. Step 4: Simplify right side
    218,967.43x = 35,767,089,197.76
  5. Step 5: Solve for x
    x = 35,767,089,197.76/218,967.43
  6. Step 6: Final answer
    x = 163,344.33

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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.