Home / 139,717.47-192,806.40-76,053.90

Finding the Fourth Proportional to 139,717.47, 192,806.40 and 76,053.90

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Solution

The fourth proportional to 139,717.47, 192,806.40 and 76,053.90 is: 104,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,717.47 : 192,806.40 = 76,053.90 : x
  2. Step 2: Convert to fraction form
    139,717.47/192,806.40 = 76,053.90/x
  3. Step 3: Cross multiply
    139,717.47x = 192,806.40 × 76,053.90
  4. Step 4: Simplify right side
    139,717.47x = 14,663,678,664.96
  5. Step 5: Solve for x
    x = 14,663,678,664.96/139,717.47
  6. Step 6: Final answer
    x = 104,952.36

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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.