Home / 165,037.08-247,515.78-76,205.18

Finding the Fourth Proportional to 165,037.08, 247,515.78 and 76,205.18

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Solution

The fourth proportional to 165,037.08, 247,515.78 and 76,205.18 is: 114,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,037.08 : 247,515.78 = 76,205.18 : x
  2. Step 2: Convert to fraction form
    165,037.08/247,515.78 = 76,205.18/x
  3. Step 3: Cross multiply
    165,037.08x = 247,515.78 × 76,205.18
  4. Step 4: Simplify right side
    165,037.08x = 18,861,984,567.74
  5. Step 5: Solve for x
    x = 18,861,984,567.74/165,037.08
  6. Step 6: Final answer
    x = 114,289.37

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1.5x scale

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.