Home / 127,695.08-176,231.46-71,106.44

Finding the Fourth Proportional to 127,695.08, 176,231.46 and 71,106.44

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Solution

The fourth proportional to 127,695.08, 176,231.46 and 71,106.44 is: 98,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695.08 : 176,231.46 = 71,106.44 : x
  2. Step 2: Convert to fraction form
    127,695.08/176,231.46 = 71,106.44/x
  3. Step 3: Cross multiply
    127,695.08x = 176,231.46 × 71,106.44
  4. Step 4: Simplify right side
    127,695.08x = 12,531,191,736.60
  5. Step 5: Solve for x
    x = 12,531,191,736.60/127,695.08
  6. Step 6: Final answer
    x = 98,133.71

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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.