Home / 127,999.82-176,639.46-74,316.26

Finding the Fourth Proportional to 127,999.82, 176,639.46 and 74,316.26

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Solution

The fourth proportional to 127,999.82, 176,639.46 and 74,316.26 is: 102,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.82 : 176,639.46 = 74,316.26 : x
  2. Step 2: Convert to fraction form
    127,999.82/176,639.46 = 74,316.26/x
  3. Step 3: Cross multiply
    127,999.82x = 176,639.46 × 74,316.26
  4. Step 4: Simplify right side
    127,999.82x = 13,127,184,035.62
  5. Step 5: Solve for x
    x = 13,127,184,035.62/127,999.82
  6. Step 6: Final answer
    x = 102,556.27

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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.