Home / 154,137.30-231,200.74-54,294.89

Finding the Fourth Proportional to 154,137.30, 231,200.74 and 54,294.89

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Solution

The fourth proportional to 154,137.30, 231,200.74 and 54,294.89 is: 81,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,137.30 : 231,200.74 = 54,294.89 : x
  2. Step 2: Convert to fraction form
    154,137.30/231,200.74 = 54,294.89/x
  3. Step 3: Cross multiply
    154,137.30x = 231,200.74 × 54,294.89
  4. Step 4: Simplify right side
    154,137.30x = 12,553,018,014.95
  5. Step 5: Solve for x
    x = 12,553,018,014.95/154,137.30
  6. Step 6: Final answer
    x = 81,440.49

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1.5x scale

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.