Home / 92,145.75-127,165.23-51,862.12

Finding the Fourth Proportional to 92,145.75, 127,165.23 and 51,862.12

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Solution

The fourth proportional to 92,145.75, 127,165.23 and 51,862.12 is: 71,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,145.75 : 127,165.23 = 51,862.12 : x
  2. Step 2: Convert to fraction form
    92,145.75/127,165.23 = 51,862.12/x
  3. Step 3: Cross multiply
    92,145.75x = 127,165.23 × 51,862.12
  4. Step 4: Simplify right side
    92,145.75x = 6,595,058,418.09
  5. Step 5: Solve for x
    x = 6,595,058,418.09/92,145.75
  6. Step 6: Final answer
    x = 71,572.03

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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.