Home / 64,881.16-97,316.87-18,137.68

Finding the Fourth Proportional to 64,881.16, 97,316.87 and 18,137.68

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Solution

The fourth proportional to 64,881.16, 97,316.87 and 18,137.68 is: 27,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.16 : 97,316.87 = 18,137.68 : x
  2. Step 2: Convert to fraction form
    64,881.16/97,316.87 = 18,137.68/x
  3. Step 3: Cross multiply
    64,881.16x = 97,316.87 × 18,137.68
  4. Step 4: Simplify right side
    64,881.16x = 1,765,101,760.08
  5. Step 5: Solve for x
    x = 1,765,101,760.08/64,881.16
  6. Step 6: Final answer
    x = 27,205.15

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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.