Home / 136,664.64-204,875.12-73,518.72

Finding the Fourth Proportional to 136,664.64, 204,875.12 and 73,518.72

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Solution

The fourth proportional to 136,664.64, 204,875.12 and 73,518.72 is: 110,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,664.64 : 204,875.12 = 73,518.72 : x
  2. Step 2: Convert to fraction form
    136,664.64/204,875.12 = 73,518.72/x
  3. Step 3: Cross multiply
    136,664.64x = 204,875.12 × 73,518.72
  4. Step 4: Simplify right side
    136,664.64x = 15,062,156,582.25
  5. Step 5: Solve for x
    x = 15,062,156,582.25/136,664.64
  6. Step 6: Final answer
    x = 110,212.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.