Home / 140,320.24-193,646.16-76,662.16

Finding the Fourth Proportional to 140,320.24, 193,646.16 and 76,662.16

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Solution

The fourth proportional to 140,320.24, 193,646.16 and 76,662.16 is: 105,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.24 : 193,646.16 = 76,662.16 : x
  2. Step 2: Convert to fraction form
    140,320.24/193,646.16 = 76,662.16/x
  3. Step 3: Cross multiply
    140,320.24x = 193,646.16 × 76,662.16
  4. Step 4: Simplify right side
    140,320.24x = 14,845,332,901.31
  5. Step 5: Solve for x
    x = 14,845,332,901.31/140,320.24
  6. Step 6: Final answer
    x = 105,796.09

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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.