Home / 171,039.10-256,558.65-52,746.70

Finding the Fourth Proportional to 171,039.10, 256,558.65 and 52,746.70

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Solution

The fourth proportional to 171,039.10, 256,558.65 and 52,746.70 is: 79,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,039.10 : 256,558.65 = 52,746.70 : x
  2. Step 2: Convert to fraction form
    171,039.10/256,558.65 = 52,746.70/x
  3. Step 3: Cross multiply
    171,039.10x = 256,558.65 × 52,746.70
  4. Step 4: Simplify right side
    171,039.10x = 13,532,622,143.96
  5. Step 5: Solve for x
    x = 13,532,622,143.96/171,039.10
  6. Step 6: Final answer
    x = 79,120.05

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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.