Home / 183,971.72-253,873.86-103,402.60

Finding the Fourth Proportional to 183,971.72, 253,873.86 and 103,402.60

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Solution

The fourth proportional to 183,971.72, 253,873.86 and 103,402.60 is: 142,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,971.72 : 253,873.86 = 103,402.60 : x
  2. Step 2: Convert to fraction form
    183,971.72/253,873.86 = 103,402.60/x
  3. Step 3: Cross multiply
    183,971.72x = 253,873.86 × 103,402.60
  4. Step 4: Simplify right side
    183,971.72x = 26,251,217,196.04
  5. Step 5: Solve for x
    x = 26,251,217,196.04/183,971.72
  6. Step 6: Final answer
    x = 142,691.59

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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.