Home / 90,795.12-125,193.96-63,929.04

Finding the Fourth Proportional to 90,795.12, 125,193.96 and 63,929.04

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Solution

The fourth proportional to 90,795.12, 125,193.96 and 63,929.04 is: 88,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,795.12 : 125,193.96 = 63,929.04 : x
  2. Step 2: Convert to fraction form
    90,795.12/125,193.96 = 63,929.04/x
  3. Step 3: Cross multiply
    90,795.12x = 125,193.96 × 63,929.04
  4. Step 4: Simplify right side
    90,795.12x = 8,003,529,676.60
  5. Step 5: Solve for x
    x = 8,003,529,676.60/90,795.12
  6. Step 6: Final answer
    x = 88,149.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.