Home / 163,856.12-245,469.33-100,491.53

Finding the Fourth Proportional to 163,856.12, 245,469.33 and 100,491.53

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Solution

The fourth proportional to 163,856.12, 245,469.33 and 100,491.53 is: 150,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,856.12 : 245,469.33 = 100,491.53 : x
  2. Step 2: Convert to fraction form
    163,856.12/245,469.33 = 100,491.53/x
  3. Step 3: Cross multiply
    163,856.12x = 245,469.33 × 100,491.53
  4. Step 4: Simplify right side
    163,856.12x = 24,667,587,312.43
  5. Step 5: Solve for x
    x = 24,667,587,312.43/163,856.12
  6. Step 6: Final answer
    x = 150,544.20

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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.