Home / 165,779.16-228,777.06-90,327.66

Finding the Fourth Proportional to 165,779.16, 228,777.06 and 90,327.66

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Solution

The fourth proportional to 165,779.16, 228,777.06 and 90,327.66 is: 124,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,779.16 : 228,777.06 = 90,327.66 : x
  2. Step 2: Convert to fraction form
    165,779.16/228,777.06 = 90,327.66/x
  3. Step 3: Cross multiply
    165,779.16x = 228,777.06 × 90,327.66
  4. Step 4: Simplify right side
    165,779.16x = 20,664,895,464.20
  5. Step 5: Solve for x
    x = 20,664,895,464.20/165,779.16
  6. Step 6: Final answer
    x = 124,653.16

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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.