Home / 104,163.47-143,745.14-58,223.06

Finding the Fourth Proportional to 104,163.47, 143,745.14 and 58,223.06

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Solution

The fourth proportional to 104,163.47, 143,745.14 and 58,223.06 is: 80,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,163.47 : 143,745.14 = 58,223.06 : x
  2. Step 2: Convert to fraction form
    104,163.47/143,745.14 = 58,223.06/x
  3. Step 3: Cross multiply
    104,163.47x = 143,745.14 × 58,223.06
  4. Step 4: Simplify right side
    104,163.47x = 8,369,281,337.76
  5. Step 5: Solve for x
    x = 8,369,281,337.76/104,163.47
  6. Step 6: Final answer
    x = 80,347.57

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1.5x scale

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.