Home / 134,903.88-186,167.40-74,474.56

Finding the Fourth Proportional to 134,903.88, 186,167.40 and 74,474.56

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Solution

The fourth proportional to 134,903.88, 186,167.40 and 74,474.56 is: 102,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.88 : 186,167.40 = 74,474.56 : x
  2. Step 2: Convert to fraction form
    134,903.88/186,167.40 = 74,474.56/x
  3. Step 3: Cross multiply
    134,903.88x = 186,167.40 × 74,474.56
  4. Step 4: Simplify right side
    134,903.88x = 13,864,735,201.34
  5. Step 5: Solve for x
    x = 13,864,735,201.34/134,903.88
  6. Step 6: Final answer
    x = 102,774.92

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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.