Home / 95,143.44-142,803.72-48,431.28

Finding the Fourth Proportional to 95,143.44, 142,803.72 and 48,431.28

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Solution

The fourth proportional to 95,143.44, 142,803.72 and 48,431.28 is: 72,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.44 : 142,803.72 = 48,431.28 : x
  2. Step 2: Convert to fraction form
    95,143.44/142,803.72 = 48,431.28/x
  3. Step 3: Cross multiply
    95,143.44x = 142,803.72 × 48,431.28
  4. Step 4: Simplify right side
    95,143.44x = 6,916,166,948.36
  5. Step 5: Solve for x
    x = 6,916,166,948.36/95,143.44
  6. Step 6: Final answer
    x = 72,692.00

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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.