Home / 166,748.48-230,112.96-91,301.76

Finding the Fourth Proportional to 166,748.48, 230,112.96 and 91,301.76

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Solution

The fourth proportional to 166,748.48, 230,112.96 and 91,301.76 is: 125,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,748.48 : 230,112.96 = 91,301.76 : x
  2. Step 2: Convert to fraction form
    166,748.48/230,112.96 = 91,301.76/x
  3. Step 3: Cross multiply
    166,748.48x = 230,112.96 × 91,301.76
  4. Step 4: Simplify right side
    166,748.48x = 21,009,718,246.81
  5. Step 5: Solve for x
    x = 21,009,718,246.81/166,748.48
  6. Step 6: Final answer
    x = 125,996.46

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1.5x scale

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.