Home / 103,512.69-155,268.85-32,440.80

Finding the Fourth Proportional to 103,512.69, 155,268.85 and 32,440.80

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Solution

The fourth proportional to 103,512.69, 155,268.85 and 32,440.80 is: 48,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512.69 : 155,268.85 = 32,440.80 : x
  2. Step 2: Convert to fraction form
    103,512.69/155,268.85 = 32,440.80/x
  3. Step 3: Cross multiply
    103,512.69x = 155,268.85 × 32,440.80
  4. Step 4: Simplify right side
    103,512.69x = 5,037,045,709.08
  5. Step 5: Solve for x
    x = 5,037,045,709.08/103,512.69
  6. Step 6: Final answer
    x = 48,661.14

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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.