Home / 127,724.27-176,267.54-71,135.51

Finding the Fourth Proportional to 127,724.27, 176,267.54 and 71,135.51

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Solution

The fourth proportional to 127,724.27, 176,267.54 and 71,135.51 is: 98,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.27 : 176,267.54 = 71,135.51 : x
  2. Step 2: Convert to fraction form
    127,724.27/176,267.54 = 71,135.51/x
  3. Step 3: Cross multiply
    127,724.27x = 176,267.54 × 71,135.51
  4. Step 4: Simplify right side
    127,724.27x = 12,538,880,650.85
  5. Step 5: Solve for x
    x = 12,538,880,650.85/127,724.27
  6. Step 6: Final answer
    x = 98,171.48

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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.