Home / 171,498.40-257,247.60-53,181.70

Finding the Fourth Proportional to 171,498.40, 257,247.60 and 53,181.70

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Solution

The fourth proportional to 171,498.40, 257,247.60 and 53,181.70 is: 79,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,498.40 : 257,247.60 = 53,181.70 : x
  2. Step 2: Convert to fraction form
    171,498.40/257,247.60 = 53,181.70/x
  3. Step 3: Cross multiply
    171,498.40x = 257,247.60 × 53,181.70
  4. Step 4: Simplify right side
    171,498.40x = 13,680,864,688.92
  5. Step 5: Solve for x
    x = 13,680,864,688.92/171,498.40
  6. Step 6: Final answer
    x = 79,772.55

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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.