Home / 131,598.88-181,623.76-74,997.28

Finding the Fourth Proportional to 131,598.88, 181,623.76 and 74,997.28

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Solution

The fourth proportional to 131,598.88, 181,623.76 and 74,997.28 is: 103,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.88 : 181,623.76 = 74,997.28 : x
  2. Step 2: Convert to fraction form
    131,598.88/181,623.76 = 74,997.28/x
  3. Step 3: Cross multiply
    131,598.88x = 181,623.76 × 74,997.28
  4. Step 4: Simplify right side
    131,598.88x = 13,621,287,983.37
  5. Step 5: Solve for x
    x = 13,621,287,983.37/131,598.88
  6. Step 6: Final answer
    x = 103,506.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.