Home / 126,102.72-174,023.10-69,516.12

Finding the Fourth Proportional to 126,102.72, 174,023.10 and 69,516.12

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Solution

The fourth proportional to 126,102.72, 174,023.10 and 69,516.12 is: 95,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,102.72 : 174,023.10 = 69,516.12 : x
  2. Step 2: Convert to fraction form
    126,102.72/174,023.10 = 69,516.12/x
  3. Step 3: Cross multiply
    126,102.72x = 174,023.10 × 69,516.12
  4. Step 4: Simplify right side
    126,102.72x = 12,097,410,702.37
  5. Step 5: Solve for x
    x = 12,097,410,702.37/126,102.72
  6. Step 6: Final answer
    x = 95,932.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.