Home / 134,485.20-185,582.20-74,044.36

Finding the Fourth Proportional to 134,485.20, 185,582.20 and 74,044.36

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Solution

The fourth proportional to 134,485.20, 185,582.20 and 74,044.36 is: 102,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,485.20 : 185,582.20 = 74,044.36 : x
  2. Step 2: Convert to fraction form
    134,485.20/185,582.20 = 74,044.36/x
  3. Step 3: Cross multiply
    134,485.20x = 185,582.20 × 74,044.36
  4. Step 4: Simplify right side
    134,485.20x = 13,741,315,226.39
  5. Step 5: Solve for x
    x = 13,741,315,226.39/134,485.20
  6. Step 6: Final answer
    x = 102,177.16

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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.