Home / 104,305.56-156,297.30-70,438.85

Finding the Fourth Proportional to 104,305.56, 156,297.30 and 70,438.85

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Solution

The fourth proportional to 104,305.56, 156,297.30 and 70,438.85 is: 105,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,305.56 : 156,297.30 = 70,438.85 : x
  2. Step 2: Convert to fraction form
    104,305.56/156,297.30 = 70,438.85/x
  3. Step 3: Cross multiply
    104,305.56x = 156,297.30 × 70,438.85
  4. Step 4: Simplify right side
    104,305.56x = 11,009,401,610.59
  5. Step 5: Solve for x
    x = 11,009,401,610.59/104,305.56
  6. Step 6: Final answer
    x = 105,549.52

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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.