Home / 243,139.32-364,402.19-123,226.43

Finding the Fourth Proportional to 243,139.32, 364,402.19 and 123,226.43

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Solution

The fourth proportional to 243,139.32, 364,402.19 and 123,226.43 is: 184,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,139.32 : 364,402.19 = 123,226.43 : x
  2. Step 2: Convert to fraction form
    243,139.32/364,402.19 = 123,226.43/x
  3. Step 3: Cross multiply
    243,139.32x = 364,402.19 × 123,226.43
  4. Step 4: Simplify right side
    243,139.32x = 44,903,979,443.94
  5. Step 5: Solve for x
    x = 44,903,979,443.94/243,139.32
  6. Step 6: Final answer
    x = 184,684.15

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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.