Home / 154,725.48-213,481.20-91,051.32

Finding the Fourth Proportional to 154,725.48, 213,481.20 and 91,051.32

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Solution

The fourth proportional to 154,725.48, 213,481.20 and 91,051.32 is: 125,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,725.48 : 213,481.20 = 91,051.32 : x
  2. Step 2: Convert to fraction form
    154,725.48/213,481.20 = 91,051.32/x
  3. Step 3: Cross multiply
    154,725.48x = 213,481.20 × 91,051.32
  4. Step 4: Simplify right side
    154,725.48x = 19,437,745,055.18
  5. Step 5: Solve for x
    x = 19,437,745,055.18/154,725.48
  6. Step 6: Final answer
    x = 125,627.30

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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.