Home / 113,777.92-170,539.71-42,632.11

Finding the Fourth Proportional to 113,777.92, 170,539.71 and 42,632.11

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Solution

The fourth proportional to 113,777.92, 170,539.71 and 42,632.11 is: 63,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,777.92 : 170,539.71 = 42,632.11 : x
  2. Step 2: Convert to fraction form
    113,777.92/170,539.71 = 42,632.11/x
  3. Step 3: Cross multiply
    113,777.92x = 170,539.71 × 42,632.11
  4. Step 4: Simplify right side
    113,777.92x = 7,270,467,676.09
  5. Step 5: Solve for x
    x = 7,270,467,676.09/113,777.92
  6. Step 6: Final answer
    x = 63,900.51

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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.