Home / 131,677.37-181,738.43-74,334.17

Finding the Fourth Proportional to 131,677.37, 181,738.43 and 74,334.17

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Solution

The fourth proportional to 131,677.37, 181,738.43 and 74,334.17 is: 102,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,677.37 : 181,738.43 = 74,334.17 : x
  2. Step 2: Convert to fraction form
    131,677.37/181,738.43 = 74,334.17/x
  3. Step 3: Cross multiply
    131,677.37x = 181,738.43 × 74,334.17
  4. Step 4: Simplify right side
    131,677.37x = 13,509,374,979.48
  5. Step 5: Solve for x
    x = 13,509,374,979.48/131,677.37
  6. Step 6: Final answer
    x = 102,594.51

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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.