Home / 117,090.51-175,654.07-38,186.39

Finding the Fourth Proportional to 117,090.51, 175,654.07 and 38,186.39

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Solution

The fourth proportional to 117,090.51, 175,654.07 and 38,186.39 is: 57,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090.51 : 175,654.07 = 38,186.39 : x
  2. Step 2: Convert to fraction form
    117,090.51/175,654.07 = 38,186.39/x
  3. Step 3: Cross multiply
    117,090.51x = 175,654.07 × 38,186.39
  4. Step 4: Simplify right side
    117,090.51x = 6,707,593,752.91
  5. Step 5: Solve for x
    x = 6,707,593,752.91/117,090.51
  6. Step 6: Final answer
    x = 57,285.55

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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.