Home / 142,596.17-214,104.53-79,539.49

Finding the Fourth Proportional to 142,596.17, 214,104.53 and 79,539.49

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Solution

The fourth proportional to 142,596.17, 214,104.53 and 79,539.49 is: 119,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596.17 : 214,104.53 = 79,539.49 : x
  2. Step 2: Convert to fraction form
    142,596.17/214,104.53 = 79,539.49/x
  3. Step 3: Cross multiply
    142,596.17x = 214,104.53 × 79,539.49
  4. Step 4: Simplify right side
    142,596.17x = 17,029,765,122.89
  5. Step 5: Solve for x
    x = 17,029,765,122.89/142,596.17
  6. Step 6: Final answer
    x = 119,426.53

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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.