Home / 75,142.10-112,670.92-51,476.33

Finding the Fourth Proportional to 75,142.10, 112,670.92 and 51,476.33

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Solution

The fourth proportional to 75,142.10, 112,670.92 and 51,476.33 is: 77,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.10 : 112,670.92 = 51,476.33 : x
  2. Step 2: Convert to fraction form
    75,142.10/112,670.92 = 51,476.33/x
  3. Step 3: Cross multiply
    75,142.10x = 112,670.92 × 51,476.33
  4. Step 4: Simplify right side
    75,142.10x = 5,799,884,960.31
  5. Step 5: Solve for x
    x = 5,799,884,960.31/75,142.10
  6. Step 6: Final answer
    x = 77,185.56

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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.