Home / 218,986.66-302,149.83-132,943.42

Finding the Fourth Proportional to 218,986.66, 302,149.83 and 132,943.42

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Solution

The fourth proportional to 218,986.66, 302,149.83 and 132,943.42 is: 183,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,986.66 : 302,149.83 = 132,943.42 : x
  2. Step 2: Convert to fraction form
    218,986.66/302,149.83 = 132,943.42/x
  3. Step 3: Cross multiply
    218,986.66x = 302,149.83 × 132,943.42
  4. Step 4: Simplify right side
    218,986.66x = 40,168,831,752.62
  5. Step 5: Solve for x
    x = 40,168,831,752.62/218,986.66
  6. Step 6: Final answer
    x = 183,430.50

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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.