Home / 125,323.06-172,944.57-68,735.38

Finding the Fourth Proportional to 125,323.06, 172,944.57 and 68,735.38

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Solution

The fourth proportional to 125,323.06, 172,944.57 and 68,735.38 is: 94,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,323.06 : 172,944.57 = 68,735.38 : x
  2. Step 2: Convert to fraction form
    125,323.06/172,944.57 = 68,735.38/x
  3. Step 3: Cross multiply
    125,323.06x = 172,944.57 × 68,735.38
  4. Step 4: Simplify right side
    125,323.06x = 11,887,410,737.89
  5. Step 5: Solve for x
    x = 11,887,410,737.89/125,323.06
  6. Step 6: Final answer
    x = 94,854.14

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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.