Home / 165,623.40-228,560.04-90,171.84

Finding the Fourth Proportional to 165,623.40, 228,560.04 and 90,171.84

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Solution

The fourth proportional to 165,623.40, 228,560.04 and 90,171.84 is: 124,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.40 : 228,560.04 = 90,171.84 : x
  2. Step 2: Convert to fraction form
    165,623.40/228,560.04 = 90,171.84/x
  3. Step 3: Cross multiply
    165,623.40x = 228,560.04 × 90,171.84
  4. Step 4: Simplify right side
    165,623.40x = 20,609,679,357.27
  5. Step 5: Solve for x
    x = 20,609,679,357.27/165,623.40
  6. Step 6: Final answer
    x = 124,437.00

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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.