Home / 166,171.60-248,965.80-136,428.40

Finding the Fourth Proportional to 166,171.60, 248,965.80 and 136,428.40

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Solution

The fourth proportional to 166,171.60, 248,965.80 and 136,428.40 is: 204,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,171.60 : 248,965.80 = 136,428.40 : x
  2. Step 2: Convert to fraction form
    166,171.60/248,965.80 = 136,428.40/x
  3. Step 3: Cross multiply
    166,171.60x = 248,965.80 × 136,428.40
  4. Step 4: Simplify right side
    166,171.60x = 33,966,005,748.72
  5. Step 5: Solve for x
    x = 33,966,005,748.72/166,171.60
  6. Step 6: Final answer
    x = 204,403.19

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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.