Home / 104,220.70-156,331.05-45,015.10

Finding the Fourth Proportional to 104,220.70, 156,331.05 and 45,015.10

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Solution

The fourth proportional to 104,220.70, 156,331.05 and 45,015.10 is: 67,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,220.70 : 156,331.05 = 45,015.10 : x
  2. Step 2: Convert to fraction form
    104,220.70/156,331.05 = 45,015.10/x
  3. Step 3: Cross multiply
    104,220.70x = 156,331.05 × 45,015.10
  4. Step 4: Simplify right side
    104,220.70x = 7,037,257,848.86
  5. Step 5: Solve for x
    x = 7,037,257,848.86/104,220.70
  6. Step 6: Final answer
    x = 67,522.65

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1.5x scale

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.