Home / 134,915.94-186,179.18-74,485.35

Finding the Fourth Proportional to 134,915.94, 186,179.18 and 74,485.35

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Solution

The fourth proportional to 134,915.94, 186,179.18 and 74,485.35 is: 102,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.94 : 186,179.18 = 74,485.35 : x
  2. Step 2: Convert to fraction form
    134,915.94/186,179.18 = 74,485.35/x
  3. Step 3: Cross multiply
    134,915.94x = 186,179.18 × 74,485.35
  4. Step 4: Simplify right side
    134,915.94x = 13,867,621,012.59
  5. Step 5: Solve for x
    x = 13,867,621,012.59/134,915.94
  6. Step 6: Final answer
    x = 102,787.12

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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.