Home / 95,455.20-143,139.60-42,837.60

Finding the Fourth Proportional to 95,455.20, 143,139.60 and 42,837.60

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Solution

The fourth proportional to 95,455.20, 143,139.60 and 42,837.60 is: 64,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.20 : 143,139.60 = 42,837.60 : x
  2. Step 2: Convert to fraction form
    95,455.20/143,139.60 = 42,837.60/x
  3. Step 3: Cross multiply
    95,455.20x = 143,139.60 × 42,837.60
  4. Step 4: Simplify right side
    95,455.20x = 6,131,756,928.96
  5. Step 5: Solve for x
    x = 6,131,756,928.96/95,455.20
  6. Step 6: Final answer
    x = 64,237.01

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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.