Home / 248,531.44-342,970.80-135,354.16

Finding the Fourth Proportional to 248,531.44, 342,970.80 and 135,354.16

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Solution

The fourth proportional to 248,531.44, 342,970.80 and 135,354.16 is: 186,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,531.44 : 342,970.80 = 135,354.16 : x
  2. Step 2: Convert to fraction form
    248,531.44/342,970.80 = 135,354.16/x
  3. Step 3: Cross multiply
    248,531.44x = 342,970.80 × 135,354.16
  4. Step 4: Simplify right side
    248,531.44x = 46,422,524,538.53
  5. Step 5: Solve for x
    x = 46,422,524,538.53/248,531.44
  6. Step 6: Final answer
    x = 186,787.33

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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.