Home / 246,689.13-340,431-133,511.88

Finding the Fourth Proportional to 246,689.13, 340,431 and 133,511.88

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Solution

The fourth proportional to 246,689.13, 340,431 and 133,511.88 is: 184,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,689.13 : 340,431 = 133,511.88 : x
  2. Step 2: Convert to fraction form
    246,689.13/340,431 = 133,511.88/x
  3. Step 3: Cross multiply
    246,689.13x = 340,431 × 133,511.88
  4. Step 4: Simplify right side
    246,689.13x = 45,451,582,820.28
  5. Step 5: Solve for x
    x = 45,451,582,820.28/246,689.13
  6. Step 6: Final answer
    x = 184,246.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.