Home / 161,507.77-242,243.20-43,188.34

Finding the Fourth Proportional to 161,507.77, 242,243.20 and 43,188.34

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Solution

The fourth proportional to 161,507.77, 242,243.20 and 43,188.34 is: 64,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,507.77 : 242,243.20 = 43,188.34 : x
  2. Step 2: Convert to fraction form
    161,507.77/242,243.20 = 43,188.34/x
  3. Step 3: Cross multiply
    161,507.77x = 242,243.20 × 43,188.34
  4. Step 4: Simplify right side
    161,507.77x = 10,462,080,473.07
  5. Step 5: Solve for x
    x = 10,462,080,473.07/161,507.77
  6. Step 6: Final answer
    x = 64,777.57

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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.