Home / 165,987.54-228,997.53-102,214.62

Finding the Fourth Proportional to 165,987.54, 228,997.53 and 102,214.62

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Solution

The fourth proportional to 165,987.54, 228,997.53 and 102,214.62 is: 141,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,987.54 : 228,997.53 = 102,214.62 : x
  2. Step 2: Convert to fraction form
    165,987.54/228,997.53 = 102,214.62/x
  3. Step 3: Cross multiply
    165,987.54x = 228,997.53 × 102,214.62
  4. Step 4: Simplify right side
    165,987.54x = 23,406,895,509.89
  5. Step 5: Solve for x
    x = 23,406,895,509.89/165,987.54
  6. Step 6: Final answer
    x = 141,015.98

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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.