Home / 85,152.30-127,755.81-25,993.95

Finding the Fourth Proportional to 85,152.30, 127,755.81 and 25,993.95

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Solution

The fourth proportional to 85,152.30, 127,755.81 and 25,993.95 is: 38,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152.30 : 127,755.81 = 25,993.95 : x
  2. Step 2: Convert to fraction form
    85,152.30/127,755.81 = 25,993.95/x
  3. Step 3: Cross multiply
    85,152.30x = 127,755.81 × 25,993.95
  4. Step 4: Simplify right side
    85,152.30x = 3,320,878,137.35
  5. Step 5: Solve for x
    x = 3,320,878,137.35/85,152.30
  6. Step 6: Final answer
    x = 38,999.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.