Home / 104,026.10-156,039.15-66,701.30

Finding the Fourth Proportional to 104,026.10, 156,039.15 and 66,701.30

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Solution

The fourth proportional to 104,026.10, 156,039.15 and 66,701.30 is: 100,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,026.10 : 156,039.15 = 66,701.30 : x
  2. Step 2: Convert to fraction form
    104,026.10/156,039.15 = 66,701.30/x
  3. Step 3: Cross multiply
    104,026.10x = 156,039.15 × 66,701.30
  4. Step 4: Simplify right side
    104,026.10x = 10,408,014,155.90
  5. Step 5: Solve for x
    x = 10,408,014,155.90/104,026.10
  6. Step 6: Final answer
    x = 100,051.95

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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.