Home / 131,630.52-197,445.64-42,883.88

Finding the Fourth Proportional to 131,630.52, 197,445.64 and 42,883.88

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Solution

The fourth proportional to 131,630.52, 197,445.64 and 42,883.88 is: 64,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630.52 : 197,445.64 = 42,883.88 : x
  2. Step 2: Convert to fraction form
    131,630.52/197,445.64 = 42,883.88/x
  3. Step 3: Cross multiply
    131,630.52x = 197,445.64 × 42,883.88
  4. Step 4: Simplify right side
    131,630.52x = 8,467,235,132.28
  5. Step 5: Solve for x
    x = 8,467,235,132.28/131,630.52
  6. Step 6: Final answer
    x = 64,325.77

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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.