Home / 134,915.95-186,179.13-74,485.32

Finding the Fourth Proportional to 134,915.95, 186,179.13 and 74,485.32

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Solution

The fourth proportional to 134,915.95, 186,179.13 and 74,485.32 is: 102,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,915.95 : 186,179.13 = 74,485.32 : x
  2. Step 2: Convert to fraction form
    134,915.95/186,179.13 = 74,485.32/x
  3. Step 3: Cross multiply
    134,915.95x = 186,179.13 × 74,485.32
  4. Step 4: Simplify right side
    134,915.95x = 13,867,612,075.37
  5. Step 5: Solve for x
    x = 13,867,612,075.37/134,915.95
  6. Step 6: Final answer
    x = 102,787.05

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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.