Home / 165,725.60-248,588.40-47,400.80

Finding the Fourth Proportional to 165,725.60, 248,588.40 and 47,400.80

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Solution

The fourth proportional to 165,725.60, 248,588.40 and 47,400.80 is: 71,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,725.60 : 248,588.40 = 47,400.80 : x
  2. Step 2: Convert to fraction form
    165,725.60/248,588.40 = 47,400.80/x
  3. Step 3: Cross multiply
    165,725.60x = 248,588.40 × 47,400.80
  4. Step 4: Simplify right side
    165,725.60x = 11,783,289,030.72
  5. Step 5: Solve for x
    x = 11,783,289,030.72/165,725.60
  6. Step 6: Final answer
    x = 71,101.20

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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.