Home / 103,997.27-143,508.07-58,686.28

Finding the Fourth Proportional to 103,997.27, 143,508.07 and 58,686.28

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Solution

The fourth proportional to 103,997.27, 143,508.07 and 58,686.28 is: 80,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.27 : 143,508.07 = 58,686.28 : x
  2. Step 2: Convert to fraction form
    103,997.27/143,508.07 = 58,686.28/x
  3. Step 3: Cross multiply
    103,997.27x = 143,508.07 × 58,686.28
  4. Step 4: Simplify right side
    103,997.27x = 8,421,954,492.87
  5. Step 5: Solve for x
    x = 8,421,954,492.87/103,997.27
  6. Step 6: Final answer
    x = 80,982.46

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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.