Home / 145,400.54-218,135.73-50,616.77

Finding the Fourth Proportional to 145,400.54, 218,135.73 and 50,616.77

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Solution

The fourth proportional to 145,400.54, 218,135.73 and 50,616.77 is: 75,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,400.54 : 218,135.73 = 50,616.77 : x
  2. Step 2: Convert to fraction form
    145,400.54/218,135.73 = 50,616.77/x
  3. Step 3: Cross multiply
    145,400.54x = 218,135.73 × 50,616.77
  4. Step 4: Simplify right side
    145,400.54x = 11,041,324,983.51
  5. Step 5: Solve for x
    x = 11,041,324,983.51/145,400.54
  6. Step 6: Final answer
    x = 75,937.31

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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.