Home / 102,349.44-141,272.64-64,648.80

Finding the Fourth Proportional to 102,349.44, 141,272.64 and 64,648.80

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Solution

The fourth proportional to 102,349.44, 141,272.64 and 64,648.80 is: 89,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,349.44 : 141,272.64 = 64,648.80 : x
  2. Step 2: Convert to fraction form
    102,349.44/141,272.64 = 64,648.80/x
  3. Step 3: Cross multiply
    102,349.44x = 141,272.64 × 64,648.80
  4. Step 4: Simplify right side
    102,349.44x = 9,133,106,648.83
  5. Step 5: Solve for x
    x = 9,133,106,648.83/102,349.44
  6. Step 6: Final answer
    x = 89,234.55

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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.