Home / 140,468.99-193,845.96-76,807.24

Finding the Fourth Proportional to 140,468.99, 193,845.96 and 76,807.24

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Solution

The fourth proportional to 140,468.99, 193,845.96 and 76,807.24 is: 105,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,468.99 : 193,845.96 = 76,807.24 : x
  2. Step 2: Convert to fraction form
    140,468.99/193,845.96 = 76,807.24/x
  3. Step 3: Cross multiply
    140,468.99x = 193,845.96 × 76,807.24
  4. Step 4: Simplify right side
    140,468.99x = 14,888,772,688.14
  5. Step 5: Solve for x
    x = 14,888,772,688.14/140,468.99
  6. Step 6: Final answer
    x = 105,993.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.