Home / 216,420.21-298,654.29-120,927.69

Finding the Fourth Proportional to 216,420.21, 298,654.29 and 120,927.69

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Solution

The fourth proportional to 216,420.21, 298,654.29 and 120,927.69 is: 166,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,420.21 : 298,654.29 = 120,927.69 : x
  2. Step 2: Convert to fraction form
    216,420.21/298,654.29 = 120,927.69/x
  3. Step 3: Cross multiply
    216,420.21x = 298,654.29 × 120,927.69
  4. Step 4: Simplify right side
    216,420.21x = 36,115,573,398.29
  5. Step 5: Solve for x
    x = 36,115,573,398.29/216,420.21
  6. Step 6: Final answer
    x = 166,877.08

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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.