Home / 85,205.40-117,592.20-51,224.96

Finding the Fourth Proportional to 85,205.40, 117,592.20 and 51,224.96

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Solution

The fourth proportional to 85,205.40, 117,592.20 and 51,224.96 is: 70,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,205.40 : 117,592.20 = 51,224.96 : x
  2. Step 2: Convert to fraction form
    85,205.40/117,592.20 = 51,224.96/x
  3. Step 3: Cross multiply
    85,205.40x = 117,592.20 × 51,224.96
  4. Step 4: Simplify right side
    85,205.40x = 6,023,655,153.35
  5. Step 5: Solve for x
    x = 6,023,655,153.35/85,205.40
  6. Step 6: Final answer
    x = 70,695.70

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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.