Home / 185,026.45-255,333.72-103,355.83

Finding the Fourth Proportional to 185,026.45, 255,333.72 and 103,355.83

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Solution

The fourth proportional to 185,026.45, 255,333.72 and 103,355.83 is: 142,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,026.45 : 255,333.72 = 103,355.83 : x
  2. Step 2: Convert to fraction form
    185,026.45/255,333.72 = 103,355.83/x
  3. Step 3: Cross multiply
    185,026.45x = 255,333.72 × 103,355.83
  4. Step 4: Simplify right side
    185,026.45x = 26,390,228,557.59
  5. Step 5: Solve for x
    x = 26,390,228,557.59/185,026.45
  6. Step 6: Final answer
    x = 142,629.49

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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.