Home / 85,467.10-128,200.65-41,180.35

Finding the Fourth Proportional to 85,467.10, 128,200.65 and 41,180.35

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Solution

The fourth proportional to 85,467.10, 128,200.65 and 41,180.35 is: 61,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.10 : 128,200.65 = 41,180.35 : x
  2. Step 2: Convert to fraction form
    85,467.10/128,200.65 = 41,180.35/x
  3. Step 3: Cross multiply
    85,467.10x = 128,200.65 × 41,180.35
  4. Step 4: Simplify right side
    85,467.10x = 5,279,347,637.23
  5. Step 5: Solve for x
    x = 5,279,347,637.23/85,467.10
  6. Step 6: Final answer
    x = 61,770.53

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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.