Home / 185,459.10-255,947.33-103,795.55

Finding the Fourth Proportional to 185,459.10, 255,947.33 and 103,795.55

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Solution

The fourth proportional to 185,459.10, 255,947.33 and 103,795.55 is: 143,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,459.10 : 255,947.33 = 103,795.55 : x
  2. Step 2: Convert to fraction form
    185,459.10/255,947.33 = 103,795.55/x
  3. Step 3: Cross multiply
    185,459.10x = 255,947.33 × 103,795.55
  4. Step 4: Simplify right side
    185,459.10x = 26,566,193,827.94
  5. Step 5: Solve for x
    x = 26,566,193,827.94/185,459.10
  6. Step 6: Final answer
    x = 143,245.56

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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.