Home / 146,460.88-219,540.48-57,678.40

Finding the Fourth Proportional to 146,460.88, 219,540.48 and 57,678.40

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Solution

The fourth proportional to 146,460.88, 219,540.48 and 57,678.40 is: 86,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,460.88 : 219,540.48 = 57,678.40 : x
  2. Step 2: Convert to fraction form
    146,460.88/219,540.48 = 57,678.40/x
  3. Step 3: Cross multiply
    146,460.88x = 219,540.48 × 57,678.40
  4. Step 4: Simplify right side
    146,460.88x = 12,662,743,621.63
  5. Step 5: Solve for x
    x = 12,662,743,621.63/146,460.88
  6. Step 6: Final answer
    x = 86,458.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.