Home / 173,869.30-260,852.55-85,125.70

Finding the Fourth Proportional to 173,869.30, 260,852.55 and 85,125.70

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Solution

The fourth proportional to 173,869.30, 260,852.55 and 85,125.70 is: 127,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,869.30 : 260,852.55 = 85,125.70 : x
  2. Step 2: Convert to fraction form
    173,869.30/260,852.55 = 85,125.70/x
  3. Step 3: Cross multiply
    173,869.30x = 260,852.55 × 85,125.70
  4. Step 4: Simplify right side
    173,869.30x = 22,205,255,915.54
  5. Step 5: Solve for x
    x = 22,205,255,915.54/173,869.30
  6. Step 6: Final answer
    x = 127,712.34

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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.