Home / 218,960.10-302,164.82-118,358.10

Finding the Fourth Proportional to 218,960.10, 302,164.82 and 118,358.10

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Solution

The fourth proportional to 218,960.10, 302,164.82 and 118,358.10 is: 163,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,960.10 : 302,164.82 = 118,358.10 : x
  2. Step 2: Convert to fraction form
    218,960.10/302,164.82 = 118,358.10/x
  3. Step 3: Cross multiply
    218,960.10x = 302,164.82 × 118,358.10
  4. Step 4: Simplify right side
    218,960.10x = 35,763,653,982.04
  5. Step 5: Solve for x
    x = 35,763,653,982.04/218,960.10
  6. Step 6: Final answer
    x = 163,334.11

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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.