Home / 139,862.46-209,814.36-51,095.22

Finding the Fourth Proportional to 139,862.46, 209,814.36 and 51,095.22

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Solution

The fourth proportional to 139,862.46, 209,814.36 and 51,095.22 is: 76,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,862.46 : 209,814.36 = 51,095.22 : x
  2. Step 2: Convert to fraction form
    139,862.46/209,814.36 = 51,095.22/x
  3. Step 3: Cross multiply
    139,862.46x = 209,814.36 × 51,095.22
  4. Step 4: Simplify right side
    139,862.46x = 10,720,510,883.36
  5. Step 5: Solve for x
    x = 10,720,510,883.36/139,862.46
  6. Step 6: Final answer
    x = 76,650.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.