Home / 109,155.29-150,634.08-61,408.67

Finding the Fourth Proportional to 109,155.29, 150,634.08 and 61,408.67

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Solution

The fourth proportional to 109,155.29, 150,634.08 and 61,408.67 is: 84,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155.29 : 150,634.08 = 61,408.67 : x
  2. Step 2: Convert to fraction form
    109,155.29/150,634.08 = 61,408.67/x
  3. Step 3: Cross multiply
    109,155.29x = 150,634.08 × 61,408.67
  4. Step 4: Simplify right side
    109,155.29x = 9,250,237,756.30
  5. Step 5: Solve for x
    x = 9,250,237,756.30/109,155.29
  6. Step 6: Final answer
    x = 84,743.84

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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.