Home / 134,928.60-186,204.38-74,503.07

Finding the Fourth Proportional to 134,928.60, 186,204.38 and 74,503.07

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Solution

The fourth proportional to 134,928.60, 186,204.38 and 74,503.07 is: 102,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,928.60 : 186,204.38 = 74,503.07 : x
  2. Step 2: Convert to fraction form
    134,928.60/186,204.38 = 74,503.07/x
  3. Step 3: Cross multiply
    134,928.60x = 186,204.38 × 74,503.07
  4. Step 4: Simplify right side
    134,928.60x = 13,872,797,957.45
  5. Step 5: Solve for x
    x = 13,872,797,957.45/134,928.60
  6. Step 6: Final answer
    x = 102,815.84

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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.