Home / 104,148.89-155,308.82-103,201.64

Finding the Fourth Proportional to 104,148.89, 155,308.82 and 103,201.64

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Solution

The fourth proportional to 104,148.89, 155,308.82 and 103,201.64 is: 153,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.89 : 155,308.82 = 103,201.64 : x
  2. Step 2: Convert to fraction form
    104,148.89/155,308.82 = 103,201.64/x
  3. Step 3: Cross multiply
    104,148.89x = 155,308.82 × 103,201.64
  4. Step 4: Simplify right side
    104,148.89x = 16,028,125,384.19
  5. Step 5: Solve for x
    x = 16,028,125,384.19/104,148.89
  6. Step 6: Final answer
    x = 153,896.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.