Home / 102,060.24-140,911.86-91,271.64

Finding the Fourth Proportional to 102,060.24, 140,911.86 and 91,271.64

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Solution

The fourth proportional to 102,060.24, 140,911.86 and 91,271.64 is: 126,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,060.24 : 140,911.86 = 91,271.64 : x
  2. Step 2: Convert to fraction form
    102,060.24/140,911.86 = 91,271.64/x
  3. Step 3: Cross multiply
    102,060.24x = 140,911.86 × 91,271.64
  4. Step 4: Simplify right side
    102,060.24x = 12,861,256,557.65
  5. Step 5: Solve for x
    x = 12,861,256,557.65/102,060.24
  6. Step 6: Final answer
    x = 126,016.33

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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.