Home / 101,161.53-139,607.55-58,154.96

Finding the Fourth Proportional to 101,161.53, 139,607.55 and 58,154.96

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Solution

The fourth proportional to 101,161.53, 139,607.55 and 58,154.96 is: 80,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,161.53 : 139,607.55 = 58,154.96 : x
  2. Step 2: Convert to fraction form
    101,161.53/139,607.55 = 58,154.96/x
  3. Step 3: Cross multiply
    101,161.53x = 139,607.55 × 58,154.96
  4. Step 4: Simplify right side
    101,161.53x = 8,118,871,834.97
  5. Step 5: Solve for x
    x = 8,118,871,834.97/101,161.53
  6. Step 6: Final answer
    x = 80,256.51

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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.