Home / 135,618.08-187,164.03-75,207.67

Finding the Fourth Proportional to 135,618.08, 187,164.03 and 75,207.67

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Solution

The fourth proportional to 135,618.08, 187,164.03 and 75,207.67 is: 103,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,618.08 : 187,164.03 = 75,207.67 : x
  2. Step 2: Convert to fraction form
    135,618.08/187,164.03 = 75,207.67/x
  3. Step 3: Cross multiply
    135,618.08x = 187,164.03 × 75,207.67
  4. Step 4: Simplify right side
    135,618.08x = 14,076,170,418.23
  5. Step 5: Solve for x
    x = 14,076,170,418.23/135,618.08
  6. Step 6: Final answer
    x = 103,792.73

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1.5x scale

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.