Home / 185,023.89-255,318.71-104,459.36

Finding the Fourth Proportional to 185,023.89, 255,318.71 and 104,459.36

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Solution

The fourth proportional to 185,023.89, 255,318.71 and 104,459.36 is: 144,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,023.89 : 255,318.71 = 104,459.36 : x
  2. Step 2: Convert to fraction form
    185,023.89/255,318.71 = 104,459.36/x
  3. Step 3: Cross multiply
    185,023.89x = 255,318.71 × 104,459.36
  4. Step 4: Simplify right side
    185,023.89x = 26,670,427,243.74
  5. Step 5: Solve for x
    x = 26,670,427,243.74/185,023.89
  6. Step 6: Final answer
    x = 144,145.86

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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.