Home / 134,833.76-186,063.32-74,392.56

Finding the Fourth Proportional to 134,833.76, 186,063.32 and 74,392.56

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Solution

The fourth proportional to 134,833.76, 186,063.32 and 74,392.56 is: 102,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,833.76 : 186,063.32 = 74,392.56 : x
  2. Step 2: Convert to fraction form
    134,833.76/186,063.32 = 74,392.56/x
  3. Step 3: Cross multiply
    134,833.76x = 186,063.32 × 74,392.56
  4. Step 4: Simplify right side
    134,833.76x = 13,841,726,696.90
  5. Step 5: Solve for x
    x = 13,841,726,696.90/134,833.76
  6. Step 6: Final answer
    x = 102,657.72

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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.