Home / 165,285.60-247,928.40-164,056.80

Finding the Fourth Proportional to 165,285.60, 247,928.40 and 164,056.80

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Solution

The fourth proportional to 165,285.60, 247,928.40 and 164,056.80 is: 246,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,285.60 : 247,928.40 = 164,056.80 : x
  2. Step 2: Convert to fraction form
    165,285.60/247,928.40 = 164,056.80/x
  3. Step 3: Cross multiply
    165,285.60x = 247,928.40 × 164,056.80
  4. Step 4: Simplify right side
    165,285.60x = 40,674,339,933.12
  5. Step 5: Solve for x
    x = 40,674,339,933.12/165,285.60
  6. Step 6: Final answer
    x = 246,085.20

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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.