Home / 135,520.34-187,017.89-75,094.90

Finding the Fourth Proportional to 135,520.34, 187,017.89 and 75,094.90

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Solution

The fourth proportional to 135,520.34, 187,017.89 and 75,094.90 is: 103,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,520.34 : 187,017.89 = 75,094.90 : x
  2. Step 2: Convert to fraction form
    135,520.34/187,017.89 = 75,094.90/x
  3. Step 3: Cross multiply
    135,520.34x = 187,017.89 × 75,094.90
  4. Step 4: Simplify right side
    135,520.34x = 14,044,089,115.95
  5. Step 5: Solve for x
    x = 14,044,089,115.95/135,520.34
  6. Step 6: Final answer
    x = 103,630.86

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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.