Home / 103,977.42-156,073.80-64,025.16

Finding the Fourth Proportional to 103,977.42, 156,073.80 and 64,025.16

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Solution

The fourth proportional to 103,977.42, 156,073.80 and 64,025.16 is: 96,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.42 : 156,073.80 = 64,025.16 : x
  2. Step 2: Convert to fraction form
    103,977.42/156,073.80 = 64,025.16/x
  3. Step 3: Cross multiply
    103,977.42x = 156,073.80 × 64,025.16
  4. Step 4: Simplify right side
    103,977.42x = 9,992,650,016.81
  5. Step 5: Solve for x
    x = 9,992,650,016.81/103,977.42
  6. Step 6: Final answer
    x = 96,104.04

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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.