Home / 142,966.91-214,403.37-48,171.57

Finding the Fourth Proportional to 142,966.91, 214,403.37 and 48,171.57

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Solution

The fourth proportional to 142,966.91, 214,403.37 and 48,171.57 is: 72,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,966.91 : 214,403.37 = 48,171.57 : x
  2. Step 2: Convert to fraction form
    142,966.91/214,403.37 = 48,171.57/x
  3. Step 3: Cross multiply
    142,966.91x = 214,403.37 × 48,171.57
  4. Step 4: Simplify right side
    142,966.91x = 10,328,146,946.19
  5. Step 5: Solve for x
    x = 10,328,146,946.19/142,966.91
  6. Step 6: Final answer
    x = 72,241.52

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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.