Home / 101,352.96-139,852.22-57,745.94

Finding the Fourth Proportional to 101,352.96, 139,852.22 and 57,745.94

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Solution

The fourth proportional to 101,352.96, 139,852.22 and 57,745.94 is: 79,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,352.96 : 139,852.22 = 57,745.94 : x
  2. Step 2: Convert to fraction form
    101,352.96/139,852.22 = 57,745.94/x
  3. Step 3: Cross multiply
    101,352.96x = 139,852.22 × 57,745.94
  4. Step 4: Simplify right side
    101,352.96x = 8,075,896,917.00
  5. Step 5: Solve for x
    x = 8,075,896,917.00/101,352.96
  6. Step 6: Final answer
    x = 79,680.92

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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.