Home / 170,630.40-255,945.60-114,643.20

Finding the Fourth Proportional to 170,630.40, 255,945.60 and 114,643.20

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Solution

The fourth proportional to 170,630.40, 255,945.60 and 114,643.20 is: 171,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,630.40 : 255,945.60 = 114,643.20 : x
  2. Step 2: Convert to fraction form
    170,630.40/255,945.60 = 114,643.20/x
  3. Step 3: Cross multiply
    170,630.40x = 255,945.60 × 114,643.20
  4. Step 4: Simplify right side
    170,630.40x = 29,342,422,609.92
  5. Step 5: Solve for x
    x = 29,342,422,609.92/170,630.40
  6. Step 6: Final answer
    x = 171,964.80

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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.