Home / 154,026.86-230,718.29-123,878.12

Finding the Fourth Proportional to 154,026.86, 230,718.29 and 123,878.12

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Solution

The fourth proportional to 154,026.86, 230,718.29 and 123,878.12 is: 185,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,026.86 : 230,718.29 = 123,878.12 : x
  2. Step 2: Convert to fraction form
    154,026.86/230,718.29 = 123,878.12/x
  3. Step 3: Cross multiply
    154,026.86x = 230,718.29 × 123,878.12
  4. Step 4: Simplify right side
    154,026.86x = 28,580,946,241.83
  5. Step 5: Solve for x
    x = 28,580,946,241.83/154,026.86
  6. Step 6: Final answer
    x = 185,558.20

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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.