Home / 142,595.87-214,104.06-79,539.19

Finding the Fourth Proportional to 142,595.87, 214,104.06 and 79,539.19

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Solution

The fourth proportional to 142,595.87, 214,104.06 and 79,539.19 is: 119,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,595.87 : 214,104.06 = 79,539.19 : x
  2. Step 2: Convert to fraction form
    142,595.87/214,104.06 = 79,539.19/x
  3. Step 3: Cross multiply
    142,595.87x = 214,104.06 × 79,539.19
  4. Step 4: Simplify right side
    142,595.87x = 17,029,662,972.85
  5. Step 5: Solve for x
    x = 17,029,662,972.85/142,595.87
  6. Step 6: Final answer
    x = 119,426.06

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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.