Home / 131,552.10-197,236.62-56,649.78

Finding the Fourth Proportional to 131,552.10, 197,236.62 and 56,649.78

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Solution

The fourth proportional to 131,552.10, 197,236.62 and 56,649.78 is: 84,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.10 : 197,236.62 = 56,649.78 : x
  2. Step 2: Convert to fraction form
    131,552.10/197,236.62 = 56,649.78/x
  3. Step 3: Cross multiply
    131,552.10x = 197,236.62 × 56,649.78
  4. Step 4: Simplify right side
    131,552.10x = 11,173,411,130.94
  5. Step 5: Solve for x
    x = 11,173,411,130.94/131,552.10
  6. Step 6: Final answer
    x = 84,935.25

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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.