Home / 152,830.20-229,418.10-117,924.60

Finding the Fourth Proportional to 152,830.20, 229,418.10 and 117,924.60

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Solution

The fourth proportional to 152,830.20, 229,418.10 and 117,924.60 is: 177,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,830.20 : 229,418.10 = 117,924.60 : x
  2. Step 2: Convert to fraction form
    152,830.20/229,418.10 = 117,924.60/x
  3. Step 3: Cross multiply
    152,830.20x = 229,418.10 × 117,924.60
  4. Step 4: Simplify right side
    152,830.20x = 27,054,037,675.26
  5. Step 5: Solve for x
    x = 27,054,037,675.26/152,830.20
  6. Step 6: Final answer
    x = 177,020.23

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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.