Home / 142,752.07-214,147.76-47,989.61

Finding the Fourth Proportional to 142,752.07, 214,147.76 and 47,989.61

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Solution

The fourth proportional to 142,752.07, 214,147.76 and 47,989.61 is: 71,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,752.07 : 214,147.76 = 47,989.61 : x
  2. Step 2: Convert to fraction form
    142,752.07/214,147.76 = 47,989.61/x
  3. Step 3: Cross multiply
    142,752.07x = 214,147.76 × 47,989.61
  4. Step 4: Simplify right side
    142,752.07x = 10,276,867,484.77
  5. Step 5: Solve for x
    x = 10,276,867,484.77/142,752.07
  6. Step 6: Final answer
    x = 71,991.02

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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.