Home / 161,608.13-242,299.77-71,602.01

Finding the Fourth Proportional to 161,608.13, 242,299.77 and 71,602.01

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Solution

The fourth proportional to 161,608.13, 242,299.77 and 71,602.01 is: 107,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,608.13 : 242,299.77 = 71,602.01 : x
  2. Step 2: Convert to fraction form
    161,608.13/242,299.77 = 71,602.01/x
  3. Step 3: Cross multiply
    161,608.13x = 242,299.77 × 71,602.01
  4. Step 4: Simplify right side
    161,608.13x = 17,349,150,554.54
  5. Step 5: Solve for x
    x = 17,349,150,554.54/161,608.13
  6. Step 6: Final answer
    x = 107,353.20

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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.