Home / 120,852.89-181,279.40-45,955.75

Finding the Fourth Proportional to 120,852.89, 181,279.40 and 45,955.75

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Solution

The fourth proportional to 120,852.89, 181,279.40 and 45,955.75 is: 68,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.89 : 181,279.40 = 45,955.75 : x
  2. Step 2: Convert to fraction form
    120,852.89/181,279.40 = 45,955.75/x
  3. Step 3: Cross multiply
    120,852.89x = 181,279.40 × 45,955.75
  4. Step 4: Simplify right side
    120,852.89x = 8,330,830,786.55
  5. Step 5: Solve for x
    x = 8,330,830,786.55/120,852.89
  6. Step 6: Final answer
    x = 68,933.65

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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.