Home / 120,151.54-180,115.80-57,001.33

Finding the Fourth Proportional to 120,151.54, 180,115.80 and 57,001.33

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Solution

The fourth proportional to 120,151.54, 180,115.80 and 57,001.33 is: 85,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,151.54 : 180,115.80 = 57,001.33 : x
  2. Step 2: Convert to fraction form
    120,151.54/180,115.80 = 57,001.33/x
  3. Step 3: Cross multiply
    120,151.54x = 180,115.80 × 57,001.33
  4. Step 4: Simplify right side
    120,151.54x = 10,266,840,154.01
  5. Step 5: Solve for x
    x = 10,266,840,154.01/120,151.54
  6. Step 6: Final answer
    x = 85,449.09

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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.