Home / 134,905.60-186,185.47-112,204.54

Finding the Fourth Proportional to 134,905.60, 186,185.47 and 112,204.54

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Solution

The fourth proportional to 134,905.60, 186,185.47 and 112,204.54 is: 154,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,905.60 : 186,185.47 = 112,204.54 : x
  2. Step 2: Convert to fraction form
    134,905.60/186,185.47 = 112,204.54/x
  3. Step 3: Cross multiply
    134,905.60x = 186,185.47 × 112,204.54
  4. Step 4: Simplify right side
    134,905.60x = 20,890,854,085.11
  5. Step 5: Solve for x
    x = 20,890,854,085.11/134,905.60
  6. Step 6: Final answer
    x = 154,855.36

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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.