Home / 158,531.33-218,766.35-94,904.21

Finding the Fourth Proportional to 158,531.33, 218,766.35 and 94,904.21

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Solution

The fourth proportional to 158,531.33, 218,766.35 and 94,904.21 is: 130,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,531.33 : 218,766.35 = 94,904.21 : x
  2. Step 2: Convert to fraction form
    158,531.33/218,766.35 = 94,904.21/x
  3. Step 3: Cross multiply
    158,531.33x = 218,766.35 × 94,904.21
  4. Step 4: Simplify right side
    158,531.33x = 20,761,848,405.51
  5. Step 5: Solve for x
    x = 20,761,848,405.51/158,531.33
  6. Step 6: Final answer
    x = 130,963.69

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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.