Home / 218,938.93-302,135.57-118,336.93

Finding the Fourth Proportional to 218,938.93, 302,135.57 and 118,336.93

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Solution

The fourth proportional to 218,938.93, 302,135.57 and 118,336.93 is: 163,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,938.93 : 302,135.57 = 118,336.93 : x
  2. Step 2: Convert to fraction form
    218,938.93/302,135.57 = 118,336.93/x
  3. Step 3: Cross multiply
    218,938.93x = 302,135.57 × 118,336.93
  4. Step 4: Simplify right side
    218,938.93x = 35,753,795,797.60
  5. Step 5: Solve for x
    x = 35,753,795,797.60/218,938.93
  6. Step 6: Final answer
    x = 163,304.88

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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.