Home / 239,445.81-330,450.03-132,015.60

Finding the Fourth Proportional to 239,445.81, 330,450.03 and 132,015.60

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Solution

The fourth proportional to 239,445.81, 330,450.03 and 132,015.60 is: 182,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,445.81 : 330,450.03 = 132,015.60 : x
  2. Step 2: Convert to fraction form
    239,445.81/330,450.03 = 132,015.60/x
  3. Step 3: Cross multiply
    239,445.81x = 330,450.03 × 132,015.60
  4. Step 4: Simplify right side
    239,445.81x = 43,624,558,980.47
  5. Step 5: Solve for x
    x = 43,624,558,980.47/239,445.81
  6. Step 6: Final answer
    x = 182,189.69

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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.