Home / 120,001.08-165,591.90-69,703.32

Finding the Fourth Proportional to 120,001.08, 165,591.90 and 69,703.32

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Solution

The fourth proportional to 120,001.08, 165,591.90 and 69,703.32 is: 96,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,001.08 : 165,591.90 = 69,703.32 : x
  2. Step 2: Convert to fraction form
    120,001.08/165,591.90 = 69,703.32/x
  3. Step 3: Cross multiply
    120,001.08x = 165,591.90 × 69,703.32
  4. Step 4: Simplify right side
    120,001.08x = 11,542,305,195.11
  5. Step 5: Solve for x
    x = 11,542,305,195.11/120,001.08
  6. Step 6: Final answer
    x = 96,185.01

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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.