Home / 165,068.48-227,284.44-128,915.96

Finding the Fourth Proportional to 165,068.48, 227,284.44 and 128,915.96

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Solution

The fourth proportional to 165,068.48, 227,284.44 and 128,915.96 is: 177,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,068.48 : 227,284.44 = 128,915.96 : x
  2. Step 2: Convert to fraction form
    165,068.48/227,284.44 = 128,915.96/x
  3. Step 3: Cross multiply
    165,068.48x = 227,284.44 × 128,915.96
  4. Step 4: Simplify right side
    165,068.48x = 29,300,592,704.48
  5. Step 5: Solve for x
    x = 29,300,592,704.48/165,068.48
  6. Step 6: Final answer
    x = 177,505.68

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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.