Home / 185,312.94-255,732.30-100,429.98

Finding the Fourth Proportional to 185,312.94, 255,732.30 and 100,429.98

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Solution

The fourth proportional to 185,312.94, 255,732.30 and 100,429.98 is: 138,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,312.94 : 255,732.30 = 100,429.98 : x
  2. Step 2: Convert to fraction form
    185,312.94/255,732.30 = 100,429.98/x
  3. Step 3: Cross multiply
    185,312.94x = 255,732.30 × 100,429.98
  4. Step 4: Simplify right side
    185,312.94x = 25,683,189,774.35
  5. Step 5: Solve for x
    x = 25,683,189,774.35/185,312.94
  6. Step 6: Final answer
    x = 138,593.61

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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.