Home / 181,918.09-272,906.30-76,752.55

Finding the Fourth Proportional to 181,918.09, 272,906.30 and 76,752.55

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Solution

The fourth proportional to 181,918.09, 272,906.30 and 76,752.55 is: 115,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918.09 : 272,906.30 = 76,752.55 : x
  2. Step 2: Convert to fraction form
    181,918.09/272,906.30 = 76,752.55/x
  3. Step 3: Cross multiply
    181,918.09x = 272,906.30 × 76,752.55
  4. Step 4: Simplify right side
    181,918.09x = 20,946,254,436.07
  5. Step 5: Solve for x
    x = 20,946,254,436.07/181,918.09
  6. Step 6: Final answer
    x = 115,141.13

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1.5x scale

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.