Home / 161,046-241,637.22-86,146.50

Finding the Fourth Proportional to 161,046, 241,637.22 and 86,146.50

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Solution

The fourth proportional to 161,046, 241,637.22 and 86,146.50 is: 129,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,046 : 241,637.22 = 86,146.50 : x
  2. Step 2: Convert to fraction form
    161,046/241,637.22 = 86,146.50/x
  3. Step 3: Cross multiply
    161,046x = 241,637.22 × 86,146.50
  4. Step 4: Simplify right side
    161,046x = 20,816,200,772.73
  5. Step 5: Solve for x
    x = 20,816,200,772.73/161,046
  6. Step 6: Final answer
    x = 129,256.24

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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.