Home / 131,738.76-181,754.64-74,371.32

Finding the Fourth Proportional to 131,738.76, 181,754.64 and 74,371.32

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Solution

The fourth proportional to 131,738.76, 181,754.64 and 74,371.32 is: 102,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.76 : 181,754.64 = 74,371.32 : x
  2. Step 2: Convert to fraction form
    131,738.76/181,754.64 = 74,371.32/x
  3. Step 3: Cross multiply
    131,738.76x = 181,754.64 × 74,371.32
  4. Step 4: Simplify right side
    131,738.76x = 13,517,332,492.92
  5. Step 5: Solve for x
    x = 13,517,332,492.92/131,738.76
  6. Step 6: Final answer
    x = 102,607.10

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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.