Home / 142,972.49-214,309.08-48,169.92

Finding the Fourth Proportional to 142,972.49, 214,309.08 and 48,169.92

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Solution

The fourth proportional to 142,972.49, 214,309.08 and 48,169.92 is: 72,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,972.49 : 214,309.08 = 48,169.92 : x
  2. Step 2: Convert to fraction form
    142,972.49/214,309.08 = 48,169.92/x
  3. Step 3: Cross multiply
    142,972.49x = 214,309.08 × 48,169.92
  4. Step 4: Simplify right side
    142,972.49x = 10,323,250,615.85
  5. Step 5: Solve for x
    x = 10,323,250,615.85/142,972.49
  6. Step 6: Final answer
    x = 72,204.45

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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.