Home / 104,214.08-156,324-64,884.80

Finding the Fourth Proportional to 104,214.08, 156,324 and 64,884.80

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Solution

The fourth proportional to 104,214.08, 156,324 and 64,884.80 is: 97,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.08 : 156,324 = 64,884.80 : x
  2. Step 2: Convert to fraction form
    104,214.08/156,324 = 64,884.80/x
  3. Step 3: Cross multiply
    104,214.08x = 156,324 × 64,884.80
  4. Step 4: Simplify right side
    104,214.08x = 10,143,051,475.20
  5. Step 5: Solve for x
    x = 10,143,051,475.20/104,214.08
  6. Step 6: Final answer
    x = 97,328.99

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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.