Home / 102,537.09-141,500.72-57,212.43

Finding the Fourth Proportional to 102,537.09, 141,500.72 and 57,212.43

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Solution

The fourth proportional to 102,537.09, 141,500.72 and 57,212.43 is: 78,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,537.09 : 141,500.72 = 57,212.43 : x
  2. Step 2: Convert to fraction form
    102,537.09/141,500.72 = 57,212.43/x
  3. Step 3: Cross multiply
    102,537.09x = 141,500.72 × 57,212.43
  4. Step 4: Simplify right side
    102,537.09x = 8,095,599,650.35
  5. Step 5: Solve for x
    x = 8,095,599,650.35/102,537.09
  6. Step 6: Final answer
    x = 78,952.89

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1.5x scale

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.