Home / 218,943.23-302,141.49-118,341.23

Finding the Fourth Proportional to 218,943.23, 302,141.49 and 118,341.23

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Solution

The fourth proportional to 218,943.23, 302,141.49 and 118,341.23 is: 163,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,943.23 : 302,141.49 = 118,341.23 : x
  2. Step 2: Convert to fraction form
    218,943.23/302,141.49 = 118,341.23/x
  3. Step 3: Cross multiply
    218,943.23x = 302,141.49 × 118,341.23
  4. Step 4: Simplify right side
    218,943.23x = 35,755,795,560.63
  5. Step 5: Solve for x
    x = 35,755,795,560.63/218,943.23
  6. Step 6: Final answer
    x = 163,310.81

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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.