Home / 131,382.24-197,076.48-42,636

Finding the Fourth Proportional to 131,382.24, 197,076.48 and 42,636

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Solution

The fourth proportional to 131,382.24, 197,076.48 and 42,636 is: 63,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.24 : 197,076.48 = 42,636 : x
  2. Step 2: Convert to fraction form
    131,382.24/197,076.48 = 42,636/x
  3. Step 3: Cross multiply
    131,382.24x = 197,076.48 × 42,636
  4. Step 4: Simplify right side
    131,382.24x = 8,402,552,801.28
  5. Step 5: Solve for x
    x = 8,402,552,801.28/131,382.24
  6. Step 6: Final answer
    x = 63,955.01

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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.