Home / 142,972.86-214,309.64-48,170.30

Finding the Fourth Proportional to 142,972.86, 214,309.64 and 48,170.30

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Solution

The fourth proportional to 142,972.86, 214,309.64 and 48,170.30 is: 72,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,972.86 : 214,309.64 = 48,170.30 : x
  2. Step 2: Convert to fraction form
    142,972.86/214,309.64 = 48,170.30/x
  3. Step 3: Cross multiply
    142,972.86x = 214,309.64 × 48,170.30
  4. Step 4: Simplify right side
    142,972.86x = 10,323,358,700.57
  5. Step 5: Solve for x
    x = 10,323,358,700.57/142,972.86
  6. Step 6: Final answer
    x = 72,205.02

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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.