Home / 154,250.34-231,410.25-54,417.66

Finding the Fourth Proportional to 154,250.34, 231,410.25 and 54,417.66

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Solution

The fourth proportional to 154,250.34, 231,410.25 and 54,417.66 is: 81,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,250.34 : 231,410.25 = 54,417.66 : x
  2. Step 2: Convert to fraction form
    154,250.34/231,410.25 = 54,417.66/x
  3. Step 3: Cross multiply
    154,250.34x = 231,410.25 × 54,417.66
  4. Step 4: Simplify right side
    154,250.34x = 12,592,804,305.02
  5. Step 5: Solve for x
    x = 12,592,804,305.02/154,250.34
  6. Step 6: Final answer
    x = 81,638.75

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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.