Home / 113,893.17-170,844.27-42,808.65

Finding the Fourth Proportional to 113,893.17, 170,844.27 and 42,808.65

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Solution

The fourth proportional to 113,893.17, 170,844.27 and 42,808.65 is: 64,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,893.17 : 170,844.27 = 42,808.65 : x
  2. Step 2: Convert to fraction form
    113,893.17/170,844.27 = 42,808.65/x
  3. Step 3: Cross multiply
    113,893.17x = 170,844.27 × 42,808.65
  4. Step 4: Simplify right side
    113,893.17x = 7,313,612,558.94
  5. Step 5: Solve for x
    x = 7,313,612,558.94/113,893.17
  6. Step 6: Final answer
    x = 64,214.67

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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.