Home / 140,510.48-210,712.82-45,715.86

Finding the Fourth Proportional to 140,510.48, 210,712.82 and 45,715.86

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Solution

The fourth proportional to 140,510.48, 210,712.82 and 45,715.86 is: 68,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,510.48 : 210,712.82 = 45,715.86 : x
  2. Step 2: Convert to fraction form
    140,510.48/210,712.82 = 45,715.86/x
  3. Step 3: Cross multiply
    140,510.48x = 210,712.82 × 45,715.86
  4. Step 4: Simplify right side
    140,510.48x = 9,632,917,550.75
  5. Step 5: Solve for x
    x = 9,632,917,550.75/140,510.48
  6. Step 6: Final answer
    x = 68,556.58

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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.