Home / 117,835.85-162,613.50-64,121.07

Finding the Fourth Proportional to 117,835.85, 162,613.50 and 64,121.07

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Solution

The fourth proportional to 117,835.85, 162,613.50 and 64,121.07 is: 88,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835.85 : 162,613.50 = 64,121.07 : x
  2. Step 2: Convert to fraction form
    117,835.85/162,613.50 = 64,121.07/x
  3. Step 3: Cross multiply
    117,835.85x = 162,613.50 × 64,121.07
  4. Step 4: Simplify right side
    117,835.85x = 10,426,951,616.45
  5. Step 5: Solve for x
    x = 10,426,951,616.45/117,835.85
  6. Step 6: Final answer
    x = 88,487.10

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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.