Home / 142,907.61-214,369.83-48,129.87

Finding the Fourth Proportional to 142,907.61, 214,369.83 and 48,129.87

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Solution

The fourth proportional to 142,907.61, 214,369.83 and 48,129.87 is: 72,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,907.61 : 214,369.83 = 48,129.87 : x
  2. Step 2: Convert to fraction form
    142,907.61/214,369.83 = 48,129.87/x
  3. Step 3: Cross multiply
    142,907.61x = 214,369.83 × 48,129.87
  4. Step 4: Simplify right side
    142,907.61x = 10,317,592,049.82
  5. Step 5: Solve for x
    x = 10,317,592,049.82/142,907.61
  6. Step 6: Final answer
    x = 72,197.64

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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.