Home / 165,241.21-228,014.36-93,605.89

Finding the Fourth Proportional to 165,241.21, 228,014.36 and 93,605.89

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Solution

The fourth proportional to 165,241.21, 228,014.36 and 93,605.89 is: 129,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,241.21 : 228,014.36 = 93,605.89 : x
  2. Step 2: Convert to fraction form
    165,241.21/228,014.36 = 93,605.89/x
  3. Step 3: Cross multiply
    165,241.21x = 228,014.36 × 93,605.89
  4. Step 4: Simplify right side
    165,241.21x = 21,343,485,492.48
  5. Step 5: Solve for x
    x = 21,343,485,492.48/165,241.21
  6. Step 6: Final answer
    x = 129,165.64

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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.