Home / 84,216.03-126,306.96-30,889.86

Finding the Fourth Proportional to 84,216.03, 126,306.96 and 30,889.86

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Solution

The fourth proportional to 84,216.03, 126,306.96 and 30,889.86 is: 46,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,216.03 : 126,306.96 = 30,889.86 : x
  2. Step 2: Convert to fraction form
    84,216.03/126,306.96 = 30,889.86/x
  3. Step 3: Cross multiply
    84,216.03x = 126,306.96 × 30,889.86
  4. Step 4: Simplify right side
    84,216.03x = 3,901,604,138.41
  5. Step 5: Solve for x
    x = 3,901,604,138.41/84,216.03
  6. Step 6: Final answer
    x = 46,328.52

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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.