Home / 218,968.06-302,176-118,366.06

Finding the Fourth Proportional to 218,968.06, 302,176 and 118,366.06

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Solution

The fourth proportional to 218,968.06, 302,176 and 118,366.06 is: 163,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,968.06 : 302,176 = 118,366.06 : x
  2. Step 2: Convert to fraction form
    218,968.06/302,176 = 118,366.06/x
  3. Step 3: Cross multiply
    218,968.06x = 302,176 × 118,366.06
  4. Step 4: Simplify right side
    218,968.06x = 35,767,382,546.56
  5. Step 5: Solve for x
    x = 35,767,382,546.56/218,968.06
  6. Step 6: Final answer
    x = 163,345.20

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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.