Home / 131,616-197,444.52-42,848.55

Finding the Fourth Proportional to 131,616, 197,444.52 and 42,848.55

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Solution

The fourth proportional to 131,616, 197,444.52 and 42,848.55 is: 64,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,616 : 197,444.52 = 42,848.55 : x
  2. Step 2: Convert to fraction form
    131,616/197,444.52 = 42,848.55/x
  3. Step 3: Cross multiply
    131,616x = 197,444.52 × 42,848.55
  4. Step 4: Simplify right side
    131,616x = 8,460,211,387.45
  5. Step 5: Solve for x
    x = 8,460,211,387.45/131,616
  6. Step 6: Final answer
    x = 64,279.51

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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.