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Finding the Fourth Proportional to 153,894.60, 231,036.30 and 82,873.80

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Solution

The fourth proportional to 153,894.60, 231,036.30 and 82,873.80 is: 124,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,894.60 : 231,036.30 = 82,873.80 : x
  2. Step 2: Convert to fraction form
    153,894.60/231,036.30 = 82,873.80/x
  3. Step 3: Cross multiply
    153,894.60x = 231,036.30 × 82,873.80
  4. Step 4: Simplify right side
    153,894.60x = 19,146,856,118.94
  5. Step 5: Solve for x
    x = 19,146,856,118.94/153,894.60
  6. Step 6: Final answer
    x = 124,415.39

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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.