Home / 92,172.38-127,129.97-69,512.33

Finding the Fourth Proportional to 92,172.38, 127,129.97 and 69,512.33

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Solution

The fourth proportional to 92,172.38, 127,129.97 and 69,512.33 is: 95,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,172.38 : 127,129.97 = 69,512.33 : x
  2. Step 2: Convert to fraction form
    92,172.38/127,129.97 = 69,512.33/x
  3. Step 3: Cross multiply
    92,172.38x = 127,129.97 × 69,512.33
  4. Step 4: Simplify right side
    92,172.38x = 8,837,100,427.53
  5. Step 5: Solve for x
    x = 8,837,100,427.53/92,172.38
  6. Step 6: Final answer
    x = 95,875.80

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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.