Home / 115,771.71-173,652.30-48,275.90

Finding the Fourth Proportional to 115,771.71, 173,652.30 and 48,275.90

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Solution

The fourth proportional to 115,771.71, 173,652.30 and 48,275.90 is: 72,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,771.71 : 173,652.30 = 48,275.90 : x
  2. Step 2: Convert to fraction form
    115,771.71/173,652.30 = 48,275.90/x
  3. Step 3: Cross multiply
    115,771.71x = 173,652.30 × 48,275.90
  4. Step 4: Simplify right side
    115,771.71x = 8,383,219,959.93
  5. Step 5: Solve for x
    x = 8,383,219,959.93/115,771.71
  6. Step 6: Final answer
    x = 72,411.64

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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.