Home / 102,690.36-154,092.50-50,100.28

Finding the Fourth Proportional to 102,690.36, 154,092.50 and 50,100.28

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Solution

The fourth proportional to 102,690.36, 154,092.50 and 50,100.28 is: 75,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.36 : 154,092.50 = 50,100.28 : x
  2. Step 2: Convert to fraction form
    102,690.36/154,092.50 = 50,100.28/x
  3. Step 3: Cross multiply
    102,690.36x = 154,092.50 × 50,100.28
  4. Step 4: Simplify right side
    102,690.36x = 7,720,077,395.90
  5. Step 5: Solve for x
    x = 7,720,077,395.90/102,690.36
  6. Step 6: Final answer
    x = 75,178.21

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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.