Home / 117,835.42-162,610.21-64,120.58

Finding the Fourth Proportional to 117,835.42, 162,610.21 and 64,120.58

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Solution

The fourth proportional to 117,835.42, 162,610.21 and 64,120.58 is: 88,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835.42 : 162,610.21 = 64,120.58 : x
  2. Step 2: Convert to fraction form
    117,835.42/162,610.21 = 64,120.58/x
  3. Step 3: Cross multiply
    117,835.42x = 162,610.21 × 64,120.58
  4. Step 4: Simplify right side
    117,835.42x = 10,426,660,979.12
  5. Step 5: Solve for x
    x = 10,426,660,979.12/117,835.42
  6. Step 6: Final answer
    x = 88,484.95

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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.