Home / 120,115.84-179,727.32-75,534.16

Finding the Fourth Proportional to 120,115.84, 179,727.32 and 75,534.16

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Solution

The fourth proportional to 120,115.84, 179,727.32 and 75,534.16 is: 113,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,115.84 : 179,727.32 = 75,534.16 : x
  2. Step 2: Convert to fraction form
    120,115.84/179,727.32 = 75,534.16/x
  3. Step 3: Cross multiply
    120,115.84x = 179,727.32 × 75,534.16
  4. Step 4: Simplify right side
    120,115.84x = 13,575,552,145.25
  5. Step 5: Solve for x
    x = 13,575,552,145.25/120,115.84
  6. Step 6: Final answer
    x = 113,020.50

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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.