Home / 90,200.10-135,354.03-48,111.42

Finding the Fourth Proportional to 90,200.10, 135,354.03 and 48,111.42

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Solution

The fourth proportional to 90,200.10, 135,354.03 and 48,111.42 is: 72,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,200.10 : 135,354.03 = 48,111.42 : x
  2. Step 2: Convert to fraction form
    90,200.10/135,354.03 = 48,111.42/x
  3. Step 3: Cross multiply
    90,200.10x = 135,354.03 × 48,111.42
  4. Step 4: Simplify right side
    90,200.10x = 6,512,074,586.02
  5. Step 5: Solve for x
    x = 6,512,074,586.02/90,200.10
  6. Step 6: Final answer
    x = 72,195.87

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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.