Home / 154,234.08-212,865.84-97,650.72

Finding the Fourth Proportional to 154,234.08, 212,865.84 and 97,650.72

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Solution

The fourth proportional to 154,234.08, 212,865.84 and 97,650.72 is: 134,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,234.08 : 212,865.84 = 97,650.72 : x
  2. Step 2: Convert to fraction form
    154,234.08/212,865.84 = 97,650.72/x
  3. Step 3: Cross multiply
    154,234.08x = 212,865.84 × 97,650.72
  4. Step 4: Simplify right side
    154,234.08x = 20,786,502,539.40
  5. Step 5: Solve for x
    x = 20,786,502,539.40/154,234.08
  6. Step 6: Final answer
    x = 134,772.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.