Home / 131,420.25-197,270.73-56,577.51

Finding the Fourth Proportional to 131,420.25, 197,270.73 and 56,577.51

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Solution

The fourth proportional to 131,420.25, 197,270.73 and 56,577.51 is: 84,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,420.25 : 197,270.73 = 56,577.51 : x
  2. Step 2: Convert to fraction form
    131,420.25/197,270.73 = 56,577.51/x
  3. Step 3: Cross multiply
    131,420.25x = 197,270.73 × 56,577.51
  4. Step 4: Simplify right side
    131,420.25x = 11,161,086,699.28
  5. Step 5: Solve for x
    x = 11,161,086,699.28/131,420.25
  6. Step 6: Final answer
    x = 84,926.69

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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.