Home / 165,888.96-228,919.68-90,437.76

Finding the Fourth Proportional to 165,888.96, 228,919.68 and 90,437.76

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Solution

The fourth proportional to 165,888.96, 228,919.68 and 90,437.76 is: 124,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888.96 : 228,919.68 = 90,437.76 : x
  2. Step 2: Convert to fraction form
    165,888.96/228,919.68 = 90,437.76/x
  3. Step 3: Cross multiply
    165,888.96x = 228,919.68 × 90,437.76
  4. Step 4: Simplify right side
    165,888.96x = 20,702,983,079.12
  5. Step 5: Solve for x
    x = 20,702,983,079.12/165,888.96
  6. Step 6: Final answer
    x = 124,800.25

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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.