Home / 134,817.23-186,046.43-74,388.35

Finding the Fourth Proportional to 134,817.23, 186,046.43 and 74,388.35

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Solution

The fourth proportional to 134,817.23, 186,046.43 and 74,388.35 is: 102,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.23 : 186,046.43 = 74,388.35 : x
  2. Step 2: Convert to fraction form
    134,817.23/186,046.43 = 74,388.35/x
  3. Step 3: Cross multiply
    134,817.23x = 186,046.43 × 74,388.35
  4. Step 4: Simplify right side
    134,817.23x = 13,839,685,648.92
  5. Step 5: Solve for x
    x = 13,839,685,648.92/134,817.23
  6. Step 6: Final answer
    x = 102,655.17

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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.