Home / 84,201.21-126,235.61-42,059.55

Finding the Fourth Proportional to 84,201.21, 126,235.61 and 42,059.55

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Solution

The fourth proportional to 84,201.21, 126,235.61 and 42,059.55 is: 63,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.21 : 126,235.61 = 42,059.55 : x
  2. Step 2: Convert to fraction form
    84,201.21/126,235.61 = 42,059.55/x
  3. Step 3: Cross multiply
    84,201.21x = 126,235.61 × 42,059.55
  4. Step 4: Simplify right side
    84,201.21x = 5,309,412,740.28
  5. Step 5: Solve for x
    x = 5,309,412,740.28/84,201.21
  6. Step 6: Final answer
    x = 63,056.25

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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.