Home / 120,886.40-181,394.40-50,772.80

Finding the Fourth Proportional to 120,886.40, 181,394.40 and 50,772.80

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Solution

The fourth proportional to 120,886.40, 181,394.40 and 50,772.80 is: 76,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.40 : 181,394.40 = 50,772.80 : x
  2. Step 2: Convert to fraction form
    120,886.40/181,394.40 = 50,772.80/x
  3. Step 3: Cross multiply
    120,886.40x = 181,394.40 × 50,772.80
  4. Step 4: Simplify right side
    120,886.40x = 9,209,901,592.32
  5. Step 5: Solve for x
    x = 9,209,901,592.32/120,886.40
  6. Step 6: Final answer
    x = 76,186.42

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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.