Home / 101,986.24-140,740.74-56,664.04

Finding the Fourth Proportional to 101,986.24, 140,740.74 and 56,664.04

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Solution

The fourth proportional to 101,986.24, 140,740.74 and 56,664.04 is: 78,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,986.24 : 140,740.74 = 56,664.04 : x
  2. Step 2: Convert to fraction form
    101,986.24/140,740.74 = 56,664.04/x
  3. Step 3: Cross multiply
    101,986.24x = 140,740.74 × 56,664.04
  4. Step 4: Simplify right side
    101,986.24x = 7,974,938,920.99
  5. Step 5: Solve for x
    x = 7,974,938,920.99/101,986.24
  6. Step 6: Final answer
    x = 78,196.22

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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.