Home / 153,824.40-230,736.60-142,014.60

Finding the Fourth Proportional to 153,824.40, 230,736.60 and 142,014.60

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Solution

The fourth proportional to 153,824.40, 230,736.60 and 142,014.60 is: 213,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824.40 : 230,736.60 = 142,014.60 : x
  2. Step 2: Convert to fraction form
    153,824.40/230,736.60 = 142,014.60/x
  3. Step 3: Cross multiply
    153,824.40x = 230,736.60 × 142,014.60
  4. Step 4: Simplify right side
    153,824.40x = 32,767,965,954.36
  5. Step 5: Solve for x
    x = 32,767,965,954.36/153,824.40
  6. Step 6: Final answer
    x = 213,021.90

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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.