Home / 218,724.16-301,839.28-118,122.16

Finding the Fourth Proportional to 218,724.16, 301,839.28 and 118,122.16

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Solution

The fourth proportional to 218,724.16, 301,839.28 and 118,122.16 is: 163,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724.16 : 301,839.28 = 118,122.16 : x
  2. Step 2: Convert to fraction form
    218,724.16/301,839.28 = 118,122.16/x
  3. Step 3: Cross multiply
    218,724.16x = 301,839.28 × 118,122.16
  4. Step 4: Simplify right side
    218,724.16x = 35,653,907,726.44
  5. Step 5: Solve for x
    x = 35,653,907,726.44/218,724.16
  6. Step 6: Final answer
    x = 163,008.55

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1.5x scale

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.