Home / 101,424.64-139,949.04-58,984.96

Finding the Fourth Proportional to 101,424.64, 139,949.04 and 58,984.96

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Solution

The fourth proportional to 101,424.64, 139,949.04 and 58,984.96 is: 81,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,424.64 : 139,949.04 = 58,984.96 : x
  2. Step 2: Convert to fraction form
    101,424.64/139,949.04 = 58,984.96/x
  3. Step 3: Cross multiply
    101,424.64x = 139,949.04 × 58,984.96
  4. Step 4: Simplify right side
    101,424.64x = 8,254,888,526.44
  5. Step 5: Solve for x
    x = 8,254,888,526.44/101,424.64
  6. Step 6: Final answer
    x = 81,389.38

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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.