Home / 64,881.34-97,317.15-18,137.86

Finding the Fourth Proportional to 64,881.34, 97,317.15 and 18,137.86

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Solution

The fourth proportional to 64,881.34, 97,317.15 and 18,137.86 is: 27,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.34 : 97,317.15 = 18,137.86 : x
  2. Step 2: Convert to fraction form
    64,881.34/97,317.15 = 18,137.86/x
  3. Step 3: Cross multiply
    64,881.34x = 97,317.15 × 18,137.86
  4. Step 4: Simplify right side
    64,881.34x = 1,765,124,842.30
  5. Step 5: Solve for x
    x = 1,765,124,842.30/64,881.34
  6. Step 6: Final answer
    x = 27,205.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.