Home / 130,092.73-179,537.04-72,743.22

Finding the Fourth Proportional to 130,092.73, 179,537.04 and 72,743.22

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Solution

The fourth proportional to 130,092.73, 179,537.04 and 72,743.22 is: 100,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,092.73 : 179,537.04 = 72,743.22 : x
  2. Step 2: Convert to fraction form
    130,092.73/179,537.04 = 72,743.22/x
  3. Step 3: Cross multiply
    130,092.73x = 179,537.04 × 72,743.22
  4. Step 4: Simplify right side
    130,092.73x = 13,060,102,398.87
  5. Step 5: Solve for x
    x = 13,060,102,398.87/130,092.73
  6. Step 6: Final answer
    x = 100,390.72

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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.