Home / 120,147.36-180,273.76-57,013.14

Finding the Fourth Proportional to 120,147.36, 180,273.76 and 57,013.14

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Solution

The fourth proportional to 120,147.36, 180,273.76 and 57,013.14 is: 85,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,147.36 : 180,273.76 = 57,013.14 : x
  2. Step 2: Convert to fraction form
    120,147.36/180,273.76 = 57,013.14/x
  3. Step 3: Cross multiply
    120,147.36x = 180,273.76 × 57,013.14
  4. Step 4: Simplify right side
    120,147.36x = 10,277,973,117.21
  5. Step 5: Solve for x
    x = 10,277,973,117.21/120,147.36
  6. Step 6: Final answer
    x = 85,544.73

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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.