Home / 179,640.10-268,999.35-171,345.70

Finding the Fourth Proportional to 179,640.10, 268,999.35 and 171,345.70

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Solution

The fourth proportional to 179,640.10, 268,999.35 and 171,345.70 is: 256,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640.10 : 268,999.35 = 171,345.70 : x
  2. Step 2: Convert to fraction form
    179,640.10/268,999.35 = 171,345.70/x
  3. Step 3: Cross multiply
    179,640.10x = 268,999.35 × 171,345.70
  4. Step 4: Simplify right side
    179,640.10x = 46,091,881,925.30
  5. Step 5: Solve for x
    x = 46,091,881,925.30/179,640.10
  6. Step 6: Final answer
    x = 256,579.03

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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.