Home / 101,006.36-139,389.76-55,686.14

Finding the Fourth Proportional to 101,006.36, 139,389.76 and 55,686.14

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Solution

The fourth proportional to 101,006.36, 139,389.76 and 55,686.14 is: 76,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.36 : 139,389.76 = 55,686.14 : x
  2. Step 2: Convert to fraction form
    101,006.36/139,389.76 = 55,686.14/x
  3. Step 3: Cross multiply
    101,006.36x = 139,389.76 × 55,686.14
  4. Step 4: Simplify right side
    101,006.36x = 7,762,077,689.93
  5. Step 5: Solve for x
    x = 7,762,077,689.93/101,006.36
  6. Step 6: Final answer
    x = 76,847.42

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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.