Home / 140,292.16-193,602.96-76,629.94

Finding the Fourth Proportional to 140,292.16, 193,602.96 and 76,629.94

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Solution

The fourth proportional to 140,292.16, 193,602.96 and 76,629.94 is: 105,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,292.16 : 193,602.96 = 76,629.94 : x
  2. Step 2: Convert to fraction form
    140,292.16/193,602.96 = 76,629.94/x
  3. Step 3: Cross multiply
    140,292.16x = 193,602.96 × 76,629.94
  4. Step 4: Simplify right side
    140,292.16x = 14,835,782,724.62
  5. Step 5: Solve for x
    x = 14,835,782,724.62/140,292.16
  6. Step 6: Final answer
    x = 105,749.20

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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.