Home / 142,596.18-214,104.54-79,539.50

Finding the Fourth Proportional to 142,596.18, 214,104.54 and 79,539.50

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Solution

The fourth proportional to 142,596.18, 214,104.54 and 79,539.50 is: 119,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,596.18 : 214,104.54 = 79,539.50 : x
  2. Step 2: Convert to fraction form
    142,596.18/214,104.54 = 79,539.50/x
  3. Step 3: Cross multiply
    142,596.18x = 214,104.54 × 79,539.50
  4. Step 4: Simplify right side
    142,596.18x = 17,029,768,059.33
  5. Step 5: Solve for x
    x = 17,029,768,059.33/142,596.18
  6. Step 6: Final answer
    x = 119,426.54

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1.5x scale

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.