Home / 112,273.75-154,937.91-61,972.75

Finding the Fourth Proportional to 112,273.75, 154,937.91 and 61,972.75

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Solution

The fourth proportional to 112,273.75, 154,937.91 and 61,972.75 is: 85,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.75 : 154,937.91 = 61,972.75 : x
  2. Step 2: Convert to fraction form
    112,273.75/154,937.91 = 61,972.75/x
  3. Step 3: Cross multiply
    112,273.75x = 154,937.91 × 61,972.75
  4. Step 4: Simplify right side
    112,273.75x = 9,601,928,361.95
  5. Step 5: Solve for x
    x = 9,601,928,361.95/112,273.75
  6. Step 6: Final answer
    x = 85,522.47

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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.