Home / 84,128.63-126,201.44-34,201.04

Finding the Fourth Proportional to 84,128.63, 126,201.44 and 34,201.04

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Solution

The fourth proportional to 84,128.63, 126,201.44 and 34,201.04 is: 51,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128.63 : 126,201.44 = 34,201.04 : x
  2. Step 2: Convert to fraction form
    84,128.63/126,201.44 = 34,201.04/x
  3. Step 3: Cross multiply
    84,128.63x = 126,201.44 × 34,201.04
  4. Step 4: Simplify right side
    84,128.63x = 4,316,219,951.99
  5. Step 5: Solve for x
    x = 4,316,219,951.99/84,128.63
  6. Step 6: Final answer
    x = 51,305.01

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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.