Home / 103,997.79-143,516.41-56,251.01

Finding the Fourth Proportional to 103,997.79, 143,516.41 and 56,251.01

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Solution

The fourth proportional to 103,997.79, 143,516.41 and 56,251.01 is: 77,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.79 : 143,516.41 = 56,251.01 : x
  2. Step 2: Convert to fraction form
    103,997.79/143,516.41 = 56,251.01/x
  3. Step 3: Cross multiply
    103,997.79x = 143,516.41 × 56,251.01
  4. Step 4: Simplify right side
    103,997.79x = 8,072,943,232.24
  5. Step 5: Solve for x
    x = 8,072,943,232.24/103,997.79
  6. Step 6: Final answer
    x = 77,626.10

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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.