Home / 216,422.07-298,663.96-120,932.79

Finding the Fourth Proportional to 216,422.07, 298,663.96 and 120,932.79

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Solution

The fourth proportional to 216,422.07, 298,663.96 and 120,932.79 is: 166,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,422.07 : 298,663.96 = 120,932.79 : x
  2. Step 2: Convert to fraction form
    216,422.07/298,663.96 = 120,932.79/x
  3. Step 3: Cross multiply
    216,422.07x = 298,663.96 × 120,932.79
  4. Step 4: Simplify right side
    216,422.07x = 36,118,265,955.25
  5. Step 5: Solve for x
    x = 36,118,265,955.25/216,422.07
  6. Step 6: Final answer
    x = 166,888.09

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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.