Home / 117,585.84-162,206.26-74,489.30

Finding the Fourth Proportional to 117,585.84, 162,206.26 and 74,489.30

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Solution

The fourth proportional to 117,585.84, 162,206.26 and 74,489.30 is: 102,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,585.84 : 162,206.26 = 74,489.30 : x
  2. Step 2: Convert to fraction form
    117,585.84/162,206.26 = 74,489.30/x
  3. Step 3: Cross multiply
    117,585.84x = 162,206.26 × 74,489.30
  4. Step 4: Simplify right side
    117,585.84x = 12,082,630,763.02
  5. Step 5: Solve for x
    x = 12,082,630,763.02/117,585.84
  6. Step 6: Final answer
    x = 102,755.83

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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.