Home / 143,316.30-214,974.45-125,820.30

Finding the Fourth Proportional to 143,316.30, 214,974.45 and 125,820.30

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Solution

The fourth proportional to 143,316.30, 214,974.45 and 125,820.30 is: 188,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.30 : 214,974.45 = 125,820.30 : x
  2. Step 2: Convert to fraction form
    143,316.30/214,974.45 = 125,820.30/x
  3. Step 3: Cross multiply
    143,316.30x = 214,974.45 × 125,820.30
  4. Step 4: Simplify right side
    143,316.30x = 27,048,149,791.34
  5. Step 5: Solve for x
    x = 27,048,149,791.34/143,316.30
  6. Step 6: Final answer
    x = 188,730.45

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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.