Home / 151,829.86-209,526.87-83,846.71

Finding the Fourth Proportional to 151,829.86, 209,526.87 and 83,846.71

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Solution

The fourth proportional to 151,829.86, 209,526.87 and 83,846.71 is: 115,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,829.86 : 209,526.87 = 83,846.71 : x
  2. Step 2: Convert to fraction form
    151,829.86/209,526.87 = 83,846.71/x
  3. Step 3: Cross multiply
    151,829.86x = 209,526.87 × 83,846.71
  4. Step 4: Simplify right side
    151,829.86x = 17,568,138,706.10
  5. Step 5: Solve for x
    x = 17,568,138,706.10/151,829.86
  6. Step 6: Final answer
    x = 115,709.38

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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.