Home / 142,895.12-214,342.76-36,287.06

Finding the Fourth Proportional to 142,895.12, 214,342.76 and 36,287.06

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Solution

The fourth proportional to 142,895.12, 214,342.76 and 36,287.06 is: 54,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,895.12 : 214,342.76 = 36,287.06 : x
  2. Step 2: Convert to fraction form
    142,895.12/214,342.76 = 36,287.06/x
  3. Step 3: Cross multiply
    142,895.12x = 214,342.76 × 36,287.06
  4. Step 4: Simplify right side
    142,895.12x = 7,777,867,611.69
  5. Step 5: Solve for x
    x = 7,777,867,611.69/142,895.12
  6. Step 6: Final answer
    x = 54,430.61

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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.