Home / 173,419.40-260,129.10-55,102.70

Finding the Fourth Proportional to 173,419.40, 260,129.10 and 55,102.70

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Solution

The fourth proportional to 173,419.40, 260,129.10 and 55,102.70 is: 82,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419.40 : 260,129.10 = 55,102.70 : x
  2. Step 2: Convert to fraction form
    173,419.40/260,129.10 = 55,102.70/x
  3. Step 3: Cross multiply
    173,419.40x = 260,129.10 × 55,102.70
  4. Step 4: Simplify right side
    173,419.40x = 14,333,815,758.57
  5. Step 5: Solve for x
    x = 14,333,815,758.57/173,419.40
  6. Step 6: Final answer
    x = 82,654.05

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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.