Home / 84,204.84-126,222.78-28,762.92

Finding the Fourth Proportional to 84,204.84, 126,222.78 and 28,762.92

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Solution

The fourth proportional to 84,204.84, 126,222.78 and 28,762.92 is: 43,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.84 : 126,222.78 = 28,762.92 : x
  2. Step 2: Convert to fraction form
    84,204.84/126,222.78 = 28,762.92/x
  3. Step 3: Cross multiply
    84,204.84x = 126,222.78 × 28,762.92
  4. Step 4: Simplify right side
    84,204.84x = 3,630,535,723.32
  5. Step 5: Solve for x
    x = 3,630,535,723.32/84,204.84
  6. Step 6: Final answer
    x = 43,115.52

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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.