Home / 127,682.94-176,200.75-71,094.32

Finding the Fourth Proportional to 127,682.94, 176,200.75 and 71,094.32

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Solution

The fourth proportional to 127,682.94, 176,200.75 and 71,094.32 is: 98,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.94 : 176,200.75 = 71,094.32 : x
  2. Step 2: Convert to fraction form
    127,682.94/176,200.75 = 71,094.32/x
  3. Step 3: Cross multiply
    127,682.94x = 176,200.75 × 71,094.32
  4. Step 4: Simplify right side
    127,682.94x = 12,526,872,504.74
  5. Step 5: Solve for x
    x = 12,526,872,504.74/127,682.94
  6. Step 6: Final answer
    x = 98,109.21

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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.