Home / 142,971.46-214,307.54-48,168.88

Finding the Fourth Proportional to 142,971.46, 214,307.54 and 48,168.88

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Solution

The fourth proportional to 142,971.46, 214,307.54 and 48,168.88 is: 72,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,971.46 : 214,307.54 = 48,168.88 : x
  2. Step 2: Convert to fraction form
    142,971.46/214,307.54 = 48,168.88/x
  3. Step 3: Cross multiply
    142,971.46x = 214,307.54 × 48,168.88
  4. Step 4: Simplify right side
    142,971.46x = 10,322,953,581.38
  5. Step 5: Solve for x
    x = 10,322,953,581.38/142,971.46
  6. Step 6: Final answer
    x = 72,202.90

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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.