Home / 120,750.12-181,120.32-61,584.48

Finding the Fourth Proportional to 120,750.12, 181,120.32 and 61,584.48

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Solution

The fourth proportional to 120,750.12, 181,120.32 and 61,584.48 is: 92,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,750.12 : 181,120.32 = 61,584.48 : x
  2. Step 2: Convert to fraction form
    120,750.12/181,120.32 = 61,584.48/x
  3. Step 3: Cross multiply
    120,750.12x = 181,120.32 × 61,584.48
  4. Step 4: Simplify right side
    120,750.12x = 11,154,200,724.63
  5. Step 5: Solve for x
    x = 11,154,200,724.63/120,750.12
  6. Step 6: Final answer
    x = 92,374.24

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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.