Home / 143,094.36-214,572.40-83,949.24

Finding the Fourth Proportional to 143,094.36, 214,572.40 and 83,949.24

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Solution

The fourth proportional to 143,094.36, 214,572.40 and 83,949.24 is: 125,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,094.36 : 214,572.40 = 83,949.24 : x
  2. Step 2: Convert to fraction form
    143,094.36/214,572.40 = 83,949.24/x
  3. Step 3: Cross multiply
    143,094.36x = 214,572.40 × 83,949.24
  4. Step 4: Simplify right side
    143,094.36x = 18,013,189,904.98
  5. Step 5: Solve for x
    x = 18,013,189,904.98/143,094.36
  6. Step 6: Final answer
    x = 125,883.30

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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.