Home / 131,637.80-197,456.70-48,564.20

Finding the Fourth Proportional to 131,637.80, 197,456.70 and 48,564.20

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Solution

The fourth proportional to 131,637.80, 197,456.70 and 48,564.20 is: 72,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,637.80 : 197,456.70 = 48,564.20 : x
  2. Step 2: Convert to fraction form
    131,637.80/197,456.70 = 48,564.20/x
  3. Step 3: Cross multiply
    131,637.80x = 197,456.70 × 48,564.20
  4. Step 4: Simplify right side
    131,637.80x = 9,589,326,670.14
  5. Step 5: Solve for x
    x = 9,589,326,670.14/131,637.80
  6. Step 6: Final answer
    x = 72,846.30

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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.