Home / 142,974.86-214,312.64-48,172.30

Finding the Fourth Proportional to 142,974.86, 214,312.64 and 48,172.30

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Solution

The fourth proportional to 142,974.86, 214,312.64 and 48,172.30 is: 72,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,974.86 : 214,312.64 = 48,172.30 : x
  2. Step 2: Convert to fraction form
    142,974.86/214,312.64 = 48,172.30/x
  3. Step 3: Cross multiply
    142,974.86x = 214,312.64 × 48,172.30
  4. Step 4: Simplify right side
    142,974.86x = 10,323,932,787.87
  5. Step 5: Solve for x
    x = 10,323,932,787.87/142,974.86
  6. Step 6: Final answer
    x = 72,208.03

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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.