Home / 85,648.40-118,194.88-47,922.56

Finding the Fourth Proportional to 85,648.40, 118,194.88 and 47,922.56

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Solution

The fourth proportional to 85,648.40, 118,194.88 and 47,922.56 is: 66,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,648.40 : 118,194.88 = 47,922.56 : x
  2. Step 2: Convert to fraction form
    85,648.40/118,194.88 = 47,922.56/x
  3. Step 3: Cross multiply
    85,648.40x = 118,194.88 × 47,922.56
  4. Step 4: Simplify right side
    85,648.40x = 5,664,201,228.49
  5. Step 5: Solve for x
    x = 5,664,201,228.49/85,648.40
  6. Step 6: Final answer
    x = 66,133.18

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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.