Home / 134,933.40-186,215.34-74,503.82

Finding the Fourth Proportional to 134,933.40, 186,215.34 and 74,503.82

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Solution

The fourth proportional to 134,933.40, 186,215.34 and 74,503.82 is: 102,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,933.40 : 186,215.34 = 74,503.82 : x
  2. Step 2: Convert to fraction form
    134,933.40/186,215.34 = 74,503.82/x
  3. Step 3: Cross multiply
    134,933.40x = 186,215.34 × 74,503.82
  4. Step 4: Simplify right side
    134,933.40x = 13,873,754,172.60
  5. Step 5: Solve for x
    x = 13,873,754,172.60/134,933.40
  6. Step 6: Final answer
    x = 102,819.27

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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.