Home / 127,825.42-176,399.67-74,142.22

Finding the Fourth Proportional to 127,825.42, 176,399.67 and 74,142.22

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Solution

The fourth proportional to 127,825.42, 176,399.67 and 74,142.22 is: 102,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825.42 : 176,399.67 = 74,142.22 : x
  2. Step 2: Convert to fraction form
    127,825.42/176,399.67 = 74,142.22/x
  3. Step 3: Cross multiply
    127,825.42x = 176,399.67 × 74,142.22
  4. Step 4: Simplify right side
    127,825.42x = 13,078,663,141.07
  5. Step 5: Solve for x
    x = 13,078,663,141.07/127,825.42
  6. Step 6: Final answer
    x = 102,316.61

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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.