Home / 84,153.12-126,185.44-24,980.64

Finding the Fourth Proportional to 84,153.12, 126,185.44 and 24,980.64

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Solution

The fourth proportional to 84,153.12, 126,185.44 and 24,980.64 is: 37,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,153.12 : 126,185.44 = 24,980.64 : x
  2. Step 2: Convert to fraction form
    84,153.12/126,185.44 = 24,980.64/x
  3. Step 3: Cross multiply
    84,153.12x = 126,185.44 × 24,980.64
  4. Step 4: Simplify right side
    84,153.12x = 3,152,193,049.88
  5. Step 5: Solve for x
    x = 3,152,193,049.88/84,153.12
  6. Step 6: Final answer
    x = 37,457.83

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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.