Home / 134,905.31-186,169.59-74,476.04

Finding the Fourth Proportional to 134,905.31, 186,169.59 and 74,476.04

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Solution

The fourth proportional to 134,905.31, 186,169.59 and 74,476.04 is: 102,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,905.31 : 186,169.59 = 74,476.04 : x
  2. Step 2: Convert to fraction form
    134,905.31/186,169.59 = 74,476.04/x
  3. Step 3: Cross multiply
    134,905.31x = 186,169.59 × 74,476.04
  4. Step 4: Simplify right side
    134,905.31x = 13,865,172,900.78
  5. Step 5: Solve for x
    x = 13,865,172,900.78/134,905.31
  6. Step 6: Final answer
    x = 102,777.08

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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.