Home / 154,417.30-231,625.95-54,576.70

Finding the Fourth Proportional to 154,417.30, 231,625.95 and 54,576.70

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Solution

The fourth proportional to 154,417.30, 231,625.95 and 54,576.70 is: 81,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,417.30 : 231,625.95 = 54,576.70 : x
  2. Step 2: Convert to fraction form
    154,417.30/231,625.95 = 54,576.70/x
  3. Step 3: Cross multiply
    154,417.30x = 231,625.95 × 54,576.70
  4. Step 4: Simplify right side
    154,417.30x = 12,641,379,985.37
  5. Step 5: Solve for x
    x = 12,641,379,985.37/154,417.30
  6. Step 6: Final answer
    x = 81,865.05

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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.