Home / 90,852.12-125,404.20-62,160.96

Finding the Fourth Proportional to 90,852.12, 125,404.20 and 62,160.96

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Solution

The fourth proportional to 90,852.12, 125,404.20 and 62,160.96 is: 85,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,852.12 : 125,404.20 = 62,160.96 : x
  2. Step 2: Convert to fraction form
    90,852.12/125,404.20 = 62,160.96/x
  3. Step 3: Cross multiply
    90,852.12x = 125,404.20 × 62,160.96
  4. Step 4: Simplify right side
    90,852.12x = 7,795,245,460.03
  5. Step 5: Solve for x
    x = 7,795,245,460.03/90,852.12
  6. Step 6: Final answer
    x = 85,801.47

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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.