Home / 143,852.40-215,697.60-55,108.80

Finding the Fourth Proportional to 143,852.40, 215,697.60 and 55,108.80

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Solution

The fourth proportional to 143,852.40, 215,697.60 and 55,108.80 is: 82,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,852.40 : 215,697.60 = 55,108.80 : x
  2. Step 2: Convert to fraction form
    143,852.40/215,697.60 = 55,108.80/x
  3. Step 3: Cross multiply
    143,852.40x = 215,697.60 × 55,108.80
  4. Step 4: Simplify right side
    143,852.40x = 11,886,835,898.88
  5. Step 5: Solve for x
    x = 11,886,835,898.88/143,852.40
  6. Step 6: Final answer
    x = 82,632.17

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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.