Home / 102,819.50-141,889.93-57,496.96

Finding the Fourth Proportional to 102,819.50, 141,889.93 and 57,496.96

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Solution

The fourth proportional to 102,819.50, 141,889.93 and 57,496.96 is: 79,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,819.50 : 141,889.93 = 57,496.96 : x
  2. Step 2: Convert to fraction form
    102,819.50/141,889.93 = 57,496.96/x
  3. Step 3: Cross multiply
    102,819.50x = 141,889.93 × 57,496.96
  4. Step 4: Simplify right side
    102,819.50x = 8,158,239,342.13
  5. Step 5: Solve for x
    x = 8,158,239,342.13/102,819.50
  6. Step 6: Final answer
    x = 79,345.25

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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.