Home / 183,815.72-253,647.78-103,224.92

Finding the Fourth Proportional to 183,815.72, 253,647.78 and 103,224.92

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Solution

The fourth proportional to 183,815.72, 253,647.78 and 103,224.92 is: 142,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,815.72 : 253,647.78 = 103,224.92 : x
  2. Step 2: Convert to fraction form
    183,815.72/253,647.78 = 103,224.92/x
  3. Step 3: Cross multiply
    183,815.72x = 253,647.78 × 103,224.92
  4. Step 4: Simplify right side
    183,815.72x = 26,182,771,798.68
  5. Step 5: Solve for x
    x = 26,182,771,798.68/183,815.72
  6. Step 6: Final answer
    x = 142,440.33

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1.5x scale

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.